{"id":30211,"date":"2026-06-08T03:36:11","date_gmt":"2026-06-08T03:36:11","guid":{"rendered":"https:\/\/www.leiliautoparts.com\/?p=30211"},"modified":"2026-06-08T06:32:08","modified_gmt":"2026-06-08T06:32:08","slug":"wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips","status":"publish","type":"post","link":"https:\/\/www.leiliautoparts.com\/zh\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/","title":{"rendered":"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30211\" class=\"elementor elementor-30211\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-6242d0af e-flex e-con-boxed e-con e-parent\" data-id=\"6242d0af\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5a3f844c color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"5a3f844c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><style>\n  .article-table-of-contents {<br \/>    margin: 32px 0;<br \/>    padding: 24px;<br \/>    border: 1px solid #dbe7f3;<br \/>    border-radius: 8px;<br \/>    background: linear-gradient(180deg, #f8fbff 0%, #eef7ff 100%);<br \/>    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);<br \/>  }<\/p>\n<p>  .article-table-of-contents h2 {<br \/>    margin: 0 0 16px;<br \/>    color: #0f172a;<br \/>    font-size: 26px;<br \/>    line-height: 1.25;<br \/>  }<\/p>\n<p>  .article-table-of-contents ol {<br \/>    display: grid;<br \/>    grid-template-columns: repeat(2, minmax(0, 1fr));<br \/>    gap: 10px 22px;<br \/>    margin: 0;<br \/>    padding-left: 22px;<br \/>  }<\/p>\n<p>  .article-table-of-contents li {<br \/>    margin: 0;<br \/>    color: #0f766e;<br \/>    font-weight: 600;<br \/>    line-height: 1.45;<br \/>  }<\/p>\n<p>  .article-table-of-contents a {<br \/>    color: #075985;<br \/>    text-decoration: none;<br \/>    border-bottom: 1px solid rgba(7, 89, 133, 0.22);<br \/>    transition: color 0.2s ease, border-color 0.2s ease;<br \/>  }<\/p>\n<p>  .article-table-of-contents a:hover {<br \/>    color: #0f766e;<br \/>    border-bottom-color: #0f766e;<br \/>  }<\/p>\n<p>  @media (max-width: 700px) {<br \/>    .article-table-of-contents {<br \/>      padding: 18px;<br \/>    }<\/p>\n<p>    .article-table-of-contents ol {<br \/>      grid-template-columns: 1fr;<br \/>      gap: 8px;<br \/>    }<br \/>  }<br \/><\/style><\/p><figure><figcaption>Experiencing problems with your vehicle&#8217;s vision during heavy rain? Understanding <strong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(217, 48, 37);\">bad wiper motor symptoms<!--TgQPHd|[]--><\/strong> is crucial for maintaining driving safety. In this complete 2026 guide, Leili Auto Parts breaks down how a wiper motor functions, how to test it, and critical sourcing tips for commercial fleets.<\/figcaption><\/figure><nav class=\"article-table-of-contents\" aria-label=\"Table of contents\"><h2>Table of Contents<\/h2><ol><li><a href=\"#introduction\">Introduction<\/a><\/li><li><a href=\"#what-is-a-wiper-motor\">What Is a Wiper Motor?<\/a><\/li><li><a href=\"#how-does-a-wiper-motor-work\">How Does a Wiper Motor Work?<\/a><\/li><li><a href=\"#main-types-of-wiper-motors\">Main Types of Wiper Motors<\/a><\/li><li><a href=\"#common-symptoms-of-a-bad-wiper-motor\">Common Symptoms of a Bad Wiper Motor<\/a><\/li><li><a href=\"#wiper-motor-vs-wiper-linkage\">Wiper Motor vs Wiper Linkage<\/a><\/li><li><a href=\"#why-do-wiper-motors-fail\">Why Do Wiper Motors Fail?<\/a><\/li><li><a href=\"#how-to-test-a-wiper-motor\">How to Test a Wiper Motor<\/a><\/li><li><a href=\"#when-should-a-wiper-motor-be-replaced\">When Should a Wiper Motor Be Replaced?<\/a><\/li><li><a href=\"#how-to-choose-the-right-wiper-motor-in-2026\">How to Choose the Right Wiper Motor in 2026<\/a><\/li><li><a href=\"#what-aftermarket-buyers-should-pay-attention-to\">What Aftermarket Buyers Should Pay Attention To<\/a><\/li><li><a href=\"#leili-wiper-motor-solutions\">Leili Wiper Motor Solutions<\/a><\/li><li><a href=\"#wiper-motor-maintenance-tips\">Wiper Motor Maintenance Tips<\/a><\/li><li><a href=\"#faq-about-wiper-motors\">FAQ About Wiper Motors<\/a><\/li><li><a href=\"#conclusion\">Conclusion<\/a><\/li><\/ol><\/nav><h2 id=\"introduction\">Introduction<\/h2><div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIChAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">A <strong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">wiper motor<!--TgQPHd|[]--><\/strong> may look like a small component, but it plays a direct role in commercial driving safety. When rain, snow, mud, or road spray blocks the windshield, this power source gives the entire mechanism the strength it needs to keep the driver&#8217;s view clear.<!--TgQPHd|[]--><\/div><div data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIChAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\u00a0<\/div><div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAICxAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">For repair shops, auto parts distributors, wholesalers, and aftermarket buyers, understanding these units goes beyond basic vehicle maintenance. It is about choosing the right replacement parts, reducing return rates, matching OE numbers correctly, and supplying products that perform reliably under harsh global weather conditions.<!--TgQPHd|[]--><\/div><div data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAICxAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\u00a0<\/div><div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIDBAA\" data-complete=\"true\" data-processed=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">In this 2026 complete guide, we explain the function, failure signs, testing methods, and critical sourcing considerations for procurement professionals in the automotive aftermarket.<\/div><h2 id=\"what-is-a-wiper-motor\">What Is a Wiper Motor?<\/h2><div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIDhAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">This component is an electric actuator that drives the windshield wiper arms. By converting electrical energy from the vehicle battery into mechanical motion, it allows the rubber blades to sweep across the glass smoothly.<!--TgQPHd|[]--><\/div><div data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIDhAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\u00a0<\/div><div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIDxAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Most passenger vehicles rely on a <strong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">12V windshield wiper motor<!--TgQPHd|[]--><\/strong>, while many trucks, buses, agricultural machinery, and heavy-duty applications require robust <strong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">24V configurations<!--TgQPHd|[]--><\/strong>.<!--TgQPHd|[]--><\/div><div data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIDxAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\u00a0<\/div><div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIEBAA\" data-complete=\"true\" data-processed=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">A complete visibility system usually includes the drive unit, linkage, arms, blades, switch, fuse, relay, wiring harness, control module, washer tank, and sometimes a rain sensor. The motor acts as the heart of this system, but it cannot work alone. If the mechanical linkage is seized or the electrical connection is corroded, the wipers will fail even if the motor itself is perfectly functional.<\/div><figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-30280 size-full\" title=\"leili wiper motor product\" src=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product.png\" alt=\"leili wiper motor product\" width=\"1000\" height=\"250\" srcset=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product.png 1000w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product-300x75.png 300w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product-768x192.png 768w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product-18x5.png 18w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product-600x150.png 600w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product-150x38.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption>A windshield wiper motor converts electrical power into mechanical movement for the wiper system.<\/figcaption><\/figure><h2 id=\"how-does-a-wiper-motor-work\">How Does a Wiper Motor Work?<\/h2><div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIEhAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">When the driver turns on the control switch, the vehicle sends an electrical signal to activate the circuit. Depending on the vehicle architecture, this signal passes through a relay, fuse, body control module (BCM), or dedicated wiper control unit.<!--TgQPHd|[]--><\/div><div data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIExAA\" data-complete=\"true\" data-processed=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\u00a0<\/div><div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIExAA\" data-complete=\"true\" data-processed=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Once the assembly receives power, the internal rotor begins to spin at high speed. Because this rotation is too fast for direct use, internal worm gears reduce the velocity and multiply the torque. This mechanism then drives a crank arm connected to the transmission linkage.<\/div><div data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIExAA\" data-complete=\"true\" data-processed=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\u00a0<\/div><ol><li>The driver turns on the wiper switch.<\/li><li>The vehicle control system activates the circuit.<\/li><li>Power reaches the wiper motor.<\/li><li>The motor rotates through its internal gear mechanism.<\/li><li>The crank arm drives the wiper linkage.<\/li><li>The linkage moves the wiper arms.<\/li><li>The wiper blades clean the windshield.<\/li><li>The park function returns the blades to the correct resting position.<\/li><\/ol><p>The park function is important. Without it, the wipers may stop in the middle of the windshield after being turned off.<\/p><figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30281\" src=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/How-a-windshield-wiper-motor-works-diagram.png\" alt=\"How a windshield wiper motor works diagram\" width=\"1568\" height=\"672\" srcset=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/How-a-windshield-wiper-motor-works-diagram.png 1568w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/How-a-windshield-wiper-motor-works-diagram-300x129.png 300w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/How-a-windshield-wiper-motor-works-diagram-1024x439.png 1024w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/How-a-windshield-wiper-motor-works-diagram-768x329.png 768w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/How-a-windshield-wiper-motor-works-diagram-1536x658.png 1536w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/How-a-windshield-wiper-motor-works-diagram-18x8.png 18w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/How-a-windshield-wiper-motor-works-diagram-600x257.png 600w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/How-a-windshield-wiper-motor-works-diagram-150x64.png 150w\" sizes=\"auto, (max-width: 1568px) 100vw, 1568px\" \/><figcaption>The wiper motor works with the switch, relay, control module, linkage, and wiper arms to clean the windshield.<\/figcaption><\/figure><h2 id=\"main-types-of-wiper-motors\">Main Types of Wiper Motors<\/h2><p>Different vehicles require different wiper motor designs. For aftermarket buyers, identifying the correct type is the first step before confirming OE numbers and fitment.<\/p><h3>Front Windshield Wiper Motor<\/h3><p>The front wiper motor controls the main windshield wipers. It is usually installed under the cowl panel near the bottom of the windshield. This is the most common wiper motor type in the replacement parts market.<\/p><h3>Rear Wiper Motor<\/h3><p>Rear <a href=\"https:\/\/www.leiliautoparts.com\/wiper-motor\/\">wiper motors<\/a> are commonly used on SUVs, hatchbacks, vans, MPVs, and some commercial vehicles. They are smaller than front wiper motors but still require accurate fitment.<\/p><h3>Heavy-Duty Wiper Motor<\/h3><p>Heavy-duty <a href=\"https:\/\/www.leiliautoparts.com\/wiper-motor\/\">wiper motors<\/a> are designed for trucks, buses, agricultural machines, construction equipment, and special vehicles. These applications often require higher torque, stronger housing, better sealing, and longer working life.<\/p><h3>12V and 24V Wiper Motors<\/h3><p>Voltage is one of the most important specifications. Passenger cars usually use 12V systems, while commercial and heavy-duty vehicles may use 24V systems. Using the wrong voltage can cause poor performance, overheating, or product failure.<\/p><h2 id=\"common-symptoms-of-a-bad-wiper-motor\">Common Symptoms of a Bad Wiper Motor<\/h2><p>A failing wiper motor usually gives warning signs before it stops working completely. These symptoms are useful for both repair technicians and parts sellers.<\/p><h3>1. Wipers Do Not Move<\/h3><p>If the wipers do not move at all, the cause may be a failed motor, blown fuse, faulty relay, damaged switch, wiring problem, or poor ground connection. Before replacing the motor, the electrical circuit should be checked.<\/p><h3>2. Wipers Move Slowly<\/h3><p>Slow wiper movement may happen when the motor becomes weak or when the linkage has too much resistance. In some cases, dry or worn wiper blades can also increase the load on the motor.<\/p><h3>3. Wipers Stop in the Wrong Position<\/h3><p>If the wipers stop in the middle of the windshield or fail to return to the bottom position, the park mechanism may be damaged. This problem is common when the internal park switch or gear contact fails.<\/p><h3>4. Wipers Work on Only One Speed<\/h3><p>If low speed works but high speed does not, or intermittent mode fails, the issue may be related to the motor circuit, relay, switch, or vehicle control module.<\/p><h3>5. Motor Makes Noise but Wipers Do Not Move<\/h3><p>If the motor can be heard but the wiper arms remain still, the problem is often mechanical. The linkage may be loose, disconnected, worn, or broken.<\/p><h3>6. Wipers Stop Randomly While Driving<\/h3><p>Intermittent failure can be caused by a weak motor, damaged wiring, poor connector contact, overheating, or a faulty relay. This type of problem should be repaired quickly because it can create serious visibility risks during rain.<\/p><figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-30283 size-full\" src=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Bad-wiper-motor-symptoms.png\" alt=\"Bad wiper motor symptoms\" width=\"1570\" height=\"672\" srcset=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Bad-wiper-motor-symptoms.png 1570w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Bad-wiper-motor-symptoms-300x128.png 300w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Bad-wiper-motor-symptoms-1024x438.png 1024w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Bad-wiper-motor-symptoms-768x329.png 768w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Bad-wiper-motor-symptoms-1536x657.png 1536w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Bad-wiper-motor-symptoms-18x8.png 18w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Bad-wiper-motor-symptoms-600x257.png 600w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Bad-wiper-motor-symptoms-150x64.png 150w\" sizes=\"auto, (max-width: 1570px) 100vw, 1570px\" \/><figcaption>Slow movement, wrong park position, or no wiper movement can be signs of a bad wiper motor.<\/figcaption><\/figure><h2 id=\"wiper-motor-vs-wiper-linkage\">Wiper Motor vs Wiper Linkage<\/h2><p>Many customers confuse a bad wiper motor with a bad wiper linkage. These two parts work together, but they are not the same.<\/p><p>The <strong>wiper motor<\/strong> provides power. The <strong>wiper linkage<\/strong> transfers that power to the wiper arms.<\/p><p>If the motor is silent and receives no response, the issue may be electrical or motor-related. If the motor runs but the wiper arms do not move, the linkage may be damaged.<\/p><p>For distributors and repair shops, this difference matters because replacing the wrong part can lead to unnecessary returns and customer complaints.<\/p><h2 id=\"why-do-wiper-motors-fail\">Why Do Wiper Motors Fail?<\/h2><p><a href=\"https:\/\/www.leiliautoparts.com\/wiper-motor\/\">Wiper motors<\/a> are exposed to vibration, moisture, temperature changes, electrical load, and mechanical resistance. Over time, these conditions can cause failure.<\/p><ul><li>Long-term wear<\/li><li>Water entering the motor housing<\/li><li>Corroded electrical connectors<\/li><li>Frozen wiper blades<\/li><li>Seized wiper linkage<\/li><li>Overloaded motor<\/li><li>Poor ground connection<\/li><li>Damaged relay<\/li><li>Internal gear wear<\/li><li>Incorrect installation<\/li><li>Wrong voltage application<\/li><\/ul><p>In winter markets, frozen wiper blades are a major cause of motor overload. If the driver turns on the wipers while the blades are stuck to the windshield, the motor and linkage may be damaged.<\/p><h2 id=\"how-to-test-a-wiper-motor\">How to Test a Wiper Motor<\/h2><p>Testing is important before replacement. A wiper system has several connected parts, so the motor should not be blamed before basic checks are completed.<\/p><h3>Step 1: Check the Fuse<\/h3><p>A blown fuse can stop the wiper system completely. If the new fuse blows again, there may be a short circuit or excessive motor load.<\/p><h3>Step 2: Check the Relay<\/h3><p>The relay controls power delivery to the motor. A failed relay may cause the wipers to stop working or operate incorrectly.<\/p><h3>Step 3: Listen for Motor Operation<\/h3><p>If the motor makes sound but the wipers do not move, inspect the linkage, wiper arms, and mounting points.<\/p><h3>Step 4: Test Voltage at the Connector<\/h3><p>Use a multimeter to check whether the motor receives proper voltage when the wiper switch is turned on. If voltage is present but the motor does not run, the motor may be defective.<\/p><h3>Step 5: Check the Ground<\/h3><p>A poor ground connection can cause slow, weak, or unstable motor operation.<\/p><h3>Step 6: Inspect the Linkage<\/h3><p>A stuck or rusty linkage can overload the motor. In this case, replacing only the motor may not solve the problem.<\/p><figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30284\" src=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Testing-a-wiper-motor.png\" alt=\"\" width=\"1568\" height=\"672\" srcset=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Testing-a-wiper-motor.png 1568w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Testing-a-wiper-motor-300x129.png 300w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Testing-a-wiper-motor-1024x439.png 1024w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Testing-a-wiper-motor-768x329.png 768w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Testing-a-wiper-motor-1536x658.png 1536w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Testing-a-wiper-motor-18x8.png 18w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Testing-a-wiper-motor-600x257.png 600w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Testing-a-wiper-motor-150x64.png 150w\" sizes=\"auto, (max-width: 1568px) 100vw, 1568px\" \/><figcaption>Voltage, ground connection, fuse, relay, and linkage should be checked before replacing a wiper motor.<\/figcaption><\/figure><h2 id=\"when-should-a-wiper-motor-be-replaced\">When Should a Wiper Motor Be Replaced?<\/h2><p>A wiper motor should be replaced when testing confirms that the motor cannot operate correctly under normal power and load conditions.<\/p><ul><li>The motor receives power but does not run.<\/li><li>The motor runs weakly after linkage inspection.<\/li><li>The park function fails.<\/li><li>Internal gears are damaged.<\/li><li>The motor overheats.<\/li><li>Water has entered the motor housing.<\/li><li>The connector or internal circuit is badly corroded.<\/li><\/ul><p>For safety reasons, a faulty wiper motor should not be ignored. Clear visibility is essential for daily driving, highway use, commercial transport, and bad-weather operation.<\/p><h2 id=\"how-to-choose-the-right-wiper-motor-in-2026\">How to Choose the Right Wiper Motor in 2026<\/h2><p>For aftermarket buyers, selecting a wiper motor is not only about matching appearance. A reliable replacement part must meet electrical, mechanical, and fitment requirements.<\/p><ul><li>Vehicle make, model, and year<\/li><li>Left-hand drive or right-hand drive application<\/li><li>Front or rear wiper motor<\/li><li>12V or 24V voltage<\/li><li>OE number<\/li><li>Connector type<\/li><li>Mounting hole position<\/li><li>Shaft design<\/li><li>Motor rotation direction<\/li><li>Park function compatibility<\/li><li>Linkage compatibility<\/li><li>Packaging requirements<\/li><li>Market quality standard<\/li><\/ul><p>OE number matching is especially important. Two <a href=\"https:\/\/www.leiliautoparts.com\/wiper-motor\/\">wiper motors<\/a> may look similar but have different connectors, mounting angles, or internal functions.<\/p><h2 id=\"what-aftermarket-buyers-should-pay-attention-to\">What Aftermarket Buyers Should Pay Attention To<\/h2><p>For wholesalers, importers, and distributors, product quality affects more than one vehicle repair. It affects customer trust, warranty cost, and long-term cooperation.<\/p><p>A good wiper motor supplier should be able to provide accurate product information, stable quality control, clear OE cross-reference support, reliable packaging, consistent batch supply, professional export experience, fast communication, and support for different vehicle applications.<\/p><p>Low-cost products may seem attractive at first, but poor fitment, weak motor torque, unstable park function, or high return rates can increase total business cost.<\/p><h2 id=\"leili-wiper-motor-solutions\">Leili Wiper Motor Solutions<\/h2><p>Leili provides aftermarket wiper motor solutions for customers who need reliable replacement parts for different markets.<\/p><ul><li>Front windshield <a href=\"https:\/\/www.leiliautoparts.com\/wiper-motor\/\">wiper motors<\/a><\/li><li>Rear <a href=\"https:\/\/www.leiliautoparts.com\/wiper-motor\/\">wiper motors<\/a><\/li><li>12V and 24V applications<\/li><li>OE number matching<\/li><li>Passenger car and commercial vehicle coverage<\/li><li>Export packaging support<\/li><li>Bulk order support<\/li><li>Product consultation for distributors and wholesalers<\/li><\/ul><p>For Leili, a good wiper motor should not only fit the vehicle. It should operate smoothly, return to the correct park position, withstand normal weather conditions, and support stable aftermarket performance.<\/p><figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30285\" src=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Leili-wiper-motor-supplier-for-aftermarket-auto-parts.png\" alt=\"\" width=\"1668\" height=\"640\" srcset=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Leili-wiper-motor-supplier-for-aftermarket-auto-parts.png 1668w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Leili-wiper-motor-supplier-for-aftermarket-auto-parts-300x115.png 300w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Leili-wiper-motor-supplier-for-aftermarket-auto-parts-1024x393.png 1024w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Leili-wiper-motor-supplier-for-aftermarket-auto-parts-768x295.png 768w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Leili-wiper-motor-supplier-for-aftermarket-auto-parts-1536x589.png 1536w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Leili-wiper-motor-supplier-for-aftermarket-auto-parts-18x7.png 18w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Leili-wiper-motor-supplier-for-aftermarket-auto-parts-600x230.png 600w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/Leili-wiper-motor-supplier-for-aftermarket-auto-parts-150x58.png 150w\" sizes=\"auto, (max-width: 1668px) 100vw, 1668px\" \/><figcaption>Leili supports aftermarket buyers, distributors, and wholesalers with reliable wiper motor solutions.<\/figcaption><\/figure><h2 id=\"wiper-motor-maintenance-tips\">Wiper Motor Maintenance Tips<\/h2><p>Proper maintenance can extend the life of the wiper motor and reduce unexpected failure.<\/p><ul><li>Replace worn wiper blades regularly.<\/li><li>Do not use wipers on a dry windshield for long periods.<\/li><li>Clear ice and snow before turning on the wipers.<\/li><li>Remove leaves and debris near the windshield cowl.<\/li><li>Check the wiper linkage during service.<\/li><li>Keep electrical connectors clean and dry.<\/li><li>Use the correct replacement motor.<\/li><li>Avoid forcing stuck wiper arms.<\/li><\/ul><p>For fleet operators and commercial vehicles, regular inspection is especially important because wiper failure can affect safety and operating schedules.<\/p><h2 id=\"faq-about-wiper-motors\">FAQ About Wiper Motors<\/h2><h3>What does a wiper motor do?<\/h3><p>A wiper motor powers the windshield wiper system. It moves the wiper arms and helps the blades clean rain, snow, dirt, and debris from the windshield.<\/p><h3>What are the signs of a bad wiper motor?<\/h3><p>Common signs include no wiper movement, slow movement, wrong park position, only one speed working, motor noise without arm movement, or random stopping.<\/p><h3>Can a bad wiper motor damage other parts?<\/h3><p>Yes. A weak or overloaded motor can affect the linkage, relay, fuse, and electrical circuit. A seized linkage can also damage a new motor if not repaired.<\/p><h3>Is the wiper motor the same as the wiper linkage?<\/h3><p>No. The wiper motor provides power, while the linkage transfers that power to the wiper arms.<\/p><h3>Can I replace only the wiper motor?<\/h3><p>Yes, if the linkage, wiring, relay, fuse, and switch are in good condition. If the linkage is seized or damaged, it should be repaired or replaced too.<\/p><h3>How long does a wiper motor last?<\/h3><p>Service life depends on product quality, weather conditions, usage frequency, linkage condition, and maintenance. Heavy rain, snow, dust, and frozen blades can shorten its life.<\/p><h3>How do I choose a wiper motor supplier?<\/h3><p>Choose a supplier that can provide OE matching, stable product quality, clear application information, proper packaging, and professional aftermarket support.<\/p><h2 id=\"conclusion\">Conclusion<\/h2><p>A <strong>wiper motor<\/strong> is a key safety component in the vehicle windshield wiper system. It powers the wiper arms, supports clear visibility, and helps drivers operate safely in rain, snow, and difficult road conditions.<\/p><p>For repair shops, wholesalers, importers, and aftermarket distributors, understanding wiper motor function, failure symptoms, testing methods, and sourcing standards can help reduce wrong orders and improve customer satisfaction.<\/p><p>In 2026, choosing the right wiper motor is not only about price. It is about fitment accuracy, stable operation, reliable supply, and long-term market trust.<\/p><p>If you are looking for aftermarket wiper motor solutions, Leili can help you match suitable products for your vehicle applications and target market.<\/p><p>&#8220;Looking for an IATF 16949 certified wiper motor manufacturer for your bus or heavy machinery fleet? <strong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(217, 48, 37);\"><span class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(217, 48, 37);\"><a class=\"H23r4e\" href=\"https:\/\/www.leiliautoparts.com\/contact\/\" target=\"_blank\" rel=\"noopener\" data-hveid=\"CAAIGhAI\" aria-label=\"Contact Leili Engineering Team for a Custom Quote Tool. \u94fe\u63a5\u9884\u89c8\u3002\u7f51\u7ad9\uff1aleili auto parts\u3002\u6807\u9898\uff1aCONTACT - LEILI AUTO PARTS\u3002\u7f51\u5740\uff1ahttps:\/\/www.leiliautoparts.com\/zh\/contact\/\u3002\" data-copy-service-computed-style=\"font-family: Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: underline; border-bottom: 0px rgb(21, 88, 214);\">Contact Leili Engineering Team for a Custom Quote Tool<\/a><!--TgQPHd|[[&quot;https:\/\/www.leiliautoparts.com\/zh\/contact\/&quot;,null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{&quot;1218&quot;:[17]}]],17,null,&quot;CONTACT - LEILI AUTO PARTS&quot;,&quot;\u8054\u7cfb\u6211\u4eec * \u56fd\u5185\u5e02\u573a\uff1a86-0577-63793978. * \u51fa\u53e3\u4e1a\u52a1\uff1a86-0577-63793998. * autoparts@leili.com.cn ; hower@leili.com.cn. * \u4e2d\u56fd\u6d59\u6c5f\u7701\u6e29\u5dde\u5e02\u5e73\u9633\u53bf\u6986\u579f\u5de5\u4e1a\u533a\u957f\u6625\u5357\u8def128 \u53f7&quot;,null,&quot;leili auto parts&quot;,&quot;https:\/\/encrypted-tbn1.gstatic.com\/faviconV2?url\\u003dhttps:\/\/www.leiliautoparts.com\\u0026client\\u003dAIM\\u0026size\\u003d128\\u0026type\\u003dFAVICON\\u0026fallback_opts\\u003dTYPE,SIZE,URL&quot;,[[1780897574174235,22458427,4060393370],null,null,null,null,[[0,27]]],null,&quot;ffdd3d2d-9de9-4f89-b0f0-ae1dc92d8904&quot;]]--><\/span><!--TgQPHd|[]--><\/strong>&#8220;<\/p><p><a href=\"https:\/\/iatfglobaloversight.org\" target=\"_blank\" rel=\"noopener\">IATF 16949 certified wiper motor manufacturer<\/a><\/p><p><a href=\"https:\/\/iso.org\" target=\"_blank\" rel=\"noopener\">ISO 9001 certification standards<\/a><\/p><p><a href=\"https:\/\/messefrankfurt.com\" target=\"_blank\" rel=\"noopener\">Automechanika Shanghai 2026<\/a> <a href=\"https:\/\/bauma-china.com\" target=\"_blank\" rel=\"noopener\">bauma CHINA 2026 Exhibition<\/a><\/p><p><a href=\"https:\/\/sae.org\" target=\"_blank\" rel=\"noopener\">SAE automotive engineering standards<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Experiencing problems with your vehicle&#8217;s vision during heavy rain? Understanding bad wiper motor symptoms is crucial for maintaining driving safety.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-30211","post","type-post","status-publish","format-standard","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing - LEILI AUTO PARTS<\/title>\n<meta name=\"description\" content=\"Experiencing bad wiper motor symptoms? Check out Leili&#039;s complete guide to learn faulty wiper motor failure signs, testing, and sourcing tips.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.leiliautoparts.com\/zh\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing\" \/>\n<meta property=\"og:description\" content=\"Experiencing bad wiper motor symptoms? Check out Leili&#039;s complete guide to learn faulty wiper motor failure signs, testing, and sourcing tips.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.leiliautoparts.com\/zh\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/\" \/>\n<meta property=\"og:site_name\" content=\"LEILI AUTO PARTS\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-08T03:36:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-08T06:32:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/#\\\/schema\\\/person\\\/f49a90e60e75a6070031661b74bdedad\"},\"headline\":\"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing\",\"datePublished\":\"2026-06-08T03:36:11+00:00\",\"dateModified\":\"2026-06-08T06:32:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/\"},\"wordCount\":2251,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/leili-wiper-motor-product.png\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#respond\"]}],\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/zh\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/\",\"url\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/\",\"name\":\"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing - LEILI AUTO PARTS\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/leili-wiper-motor-product.png\",\"datePublished\":\"2026-06-08T03:36:11+00:00\",\"dateModified\":\"2026-06-08T06:32:08+00:00\",\"description\":\"Experiencing bad wiper motor symptoms? Check out Leili's complete guide to learn faulty wiper motor failure signs, testing, and sourcing tips.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/leili-wiper-motor-product.png\",\"contentUrl\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/leili-wiper-motor-product.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/www.leiliautoparts.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/#website\",\"url\":\"https:\\\/\\\/www.leiliautoparts.com\\\/\",\"name\":\"LEILI AUTO PARTS\",\"description\":\"Bus&amp;Truck Windshield Wiper System Manufacturer\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/#organization\"},\"alternateName\":\"Zhejiang LEILI\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.leiliautoparts.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":[\"Organization\",\"Place\"],\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/#organization\",\"name\":\"LEILI AUTO PARTS\",\"alternateName\":\"Zhejiang Leili Auto Parts Co., Ltd.,\",\"url\":\"https:\\\/\\\/www.leiliautoparts.com\\\/\",\"logo\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#local-main-organization-logo\"},\"image\":{\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#local-main-organization-logo\"},\"telephone\":[],\"openingHoursSpecification\":[{\"@type\":\"OpeningHoursSpecification\",\"dayOfWeek\":[\"Monday\",\"Tuesday\",\"Wednesday\",\"Thursday\",\"Friday\",\"Saturday\",\"Sunday\"],\"opens\":\"09:00\",\"closes\":\"17:00\"}]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/#\\\/schema\\\/person\\\/f49a90e60e75a6070031661b74bdedad\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wp-content\\\/litespeed\\\/avatar\\\/96db270fb95fa6e2040110d0b4e448c6.jpg?ver=1780377153\",\"url\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wp-content\\\/litespeed\\\/avatar\\\/96db270fb95fa6e2040110d0b4e448c6.jpg?ver=1780377153\",\"contentUrl\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wp-content\\\/litespeed\\\/avatar\\\/96db270fb95fa6e2040110d0b4e448c6.jpg?ver=1780377153\",\"caption\":\"admin\"},\"sameAs\":[\"https:\\\/\\\/leiliautoparts.com\"]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\\\/#local-main-organization-logo\",\"url\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/cropped-\u96f7\u529blogo\u6e90\u6587\u4ef6\uff08\u52ff\u5220\uff09.png\",\"contentUrl\":\"https:\\\/\\\/www.leiliautoparts.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/cropped-\u96f7\u529blogo\u6e90\u6587\u4ef6\uff08\u52ff\u5220\uff09.png\",\"width\":512,\"height\":512,\"caption\":\"LEILI AUTO PARTS\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing - LEILI AUTO PARTS","description":"Experiencing bad wiper motor symptoms? Check out Leili's complete guide to learn faulty wiper motor failure signs, testing, and sourcing tips.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.leiliautoparts.com\/zh\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/","og_locale":"zh_CN","og_type":"article","og_title":"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing","og_description":"Experiencing bad wiper motor symptoms? Check out Leili's complete guide to learn faulty wiper motor failure signs, testing, and sourcing tips.","og_url":"https:\/\/www.leiliautoparts.com\/zh\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/","og_site_name":"LEILI AUTO PARTS","article_published_time":"2026-06-08T03:36:11+00:00","article_modified_time":"2026-06-08T06:32:08+00:00","og_image":[{"width":1000,"height":250,"url":"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product.png","type":"image\/png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"11 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["Article","BlogPosting"],"@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#article","isPartOf":{"@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/"},"author":{"name":"admin","@id":"https:\/\/www.leiliautoparts.com\/#\/schema\/person\/f49a90e60e75a6070031661b74bdedad"},"headline":"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing","datePublished":"2026-06-08T03:36:11+00:00","dateModified":"2026-06-08T06:32:08+00:00","mainEntityOfPage":{"@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/"},"wordCount":2251,"commentCount":0,"publisher":{"@id":"https:\/\/www.leiliautoparts.com\/#organization"},"image":{"@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#primaryimage"},"thumbnailUrl":"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product.png","articleSection":["Blog"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#respond"]}],"copyrightYear":"2026","copyrightHolder":{"@id":"https:\/\/www.leiliautoparts.com\/zh\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/","url":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/","name":"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing - LEILI AUTO PARTS","isPartOf":{"@id":"https:\/\/www.leiliautoparts.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#primaryimage"},"image":{"@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#primaryimage"},"thumbnailUrl":"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product.png","datePublished":"2026-06-08T03:36:11+00:00","dateModified":"2026-06-08T06:32:08+00:00","description":"Experiencing bad wiper motor symptoms? Check out Leili's complete guide to learn faulty wiper motor failure signs, testing, and sourcing tips.","breadcrumb":{"@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#primaryimage","url":"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product.png","contentUrl":"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/leili-wiper-motor-product.png"},{"@type":"BreadcrumbList","@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.leiliautoparts.com\/"},{"@type":"ListItem","position":2,"name":"Wiper Motor Guide 2026: Symptoms, Testing &amp; Sourcing"}]},{"@type":"WebSite","@id":"https:\/\/www.leiliautoparts.com\/#website","url":"https:\/\/www.leiliautoparts.com\/","name":"\u96f7\u529b\u6c7d\u8f66\u914d\u4ef6","description":"Bus&amp;Truck Windshield Wiper System Manufacturer","publisher":{"@id":"https:\/\/www.leiliautoparts.com\/#organization"},"alternateName":"Zhejiang LEILI","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.leiliautoparts.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":["Organization","Place"],"@id":"https:\/\/www.leiliautoparts.com\/#organization","name":"\u96f7\u529b\u6c7d\u8f66\u914d\u4ef6","alternateName":"Zhejiang Leili Auto Parts Co., Ltd.,","url":"https:\/\/www.leiliautoparts.com\/","logo":{"@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#local-main-organization-logo"},"image":{"@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#local-main-organization-logo"},"telephone":[],"openingHoursSpecification":[{"@type":"OpeningHoursSpecification","dayOfWeek":["Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"],"opens":"09:00","closes":"17:00"}]},{"@type":"Person","@id":"https:\/\/www.leiliautoparts.com\/#\/schema\/person\/f49a90e60e75a6070031661b74bdedad","name":"\u7ba1\u7406","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.leiliautoparts.com\/wp-content\/litespeed\/avatar\/96db270fb95fa6e2040110d0b4e448c6.jpg?ver=1780377153","url":"https:\/\/www.leiliautoparts.com\/wp-content\/litespeed\/avatar\/96db270fb95fa6e2040110d0b4e448c6.jpg?ver=1780377153","contentUrl":"https:\/\/www.leiliautoparts.com\/wp-content\/litespeed\/avatar\/96db270fb95fa6e2040110d0b4e448c6.jpg?ver=1780377153","caption":"admin"},"sameAs":["https:\/\/leiliautoparts.com"]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.leiliautoparts.com\/wiper-motor-complete-guide-in-leili-2026-function-failure-signs-testing-replacement-and-sourcing-tips\/#local-main-organization-logo","url":"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/01\/cropped-\u96f7\u529blogo\u6e90\u6587\u4ef6\uff08\u52ff\u5220\uff09.png","contentUrl":"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/01\/cropped-\u96f7\u529blogo\u6e90\u6587\u4ef6\uff08\u52ff\u5220\uff09.png","width":512,"height":512,"caption":"LEILI AUTO PARTS"}]}},"_links":{"self":[{"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/posts\/30211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/comments?post=30211"}],"version-history":[{"count":17,"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/posts\/30211\/revisions"}],"predecessor-version":[{"id":30305,"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/posts\/30211\/revisions\/30305"}],"wp:attachment":[{"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/media?parent=30211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/categories?post=30211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.leiliautoparts.com\/zh\/wp-json\/wp\/v2\/tags?post=30211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}