{"id":10979,"date":"2020-06-29T02:53:29","date_gmt":"2020-06-29T09:53:29","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=10979"},"modified":"2025-11-18T19:28:19","modified_gmt":"2025-11-19T03:28:19","slug":"bad-starter-symptoms","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/bad-starter-symptoms\/","title":{"rendered":"5 Signs of a Bad Starter"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 8<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column10979_074863-9f > .kt-inside-inner-col,.kadence-column10979_074863-9f > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column10979_074863-9f > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column10979_074863-9f > .kt-inside-inner-col{flex-direction:column;}.kadence-column10979_074863-9f > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column10979_074863-9f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column10979_074863-9f{position:relative;}@media all and (max-width: 1024px){.kadence-column10979_074863-9f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column10979_074863-9f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column10979_074863-9f inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-b68c4f  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-7a3d3c\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading10979_66172e-bd, .wp-block-kadence-advancedheading.kt-adv-heading10979_66172e-bd[data-kb-block=\"kb-adv-heading10979_66172e-bd\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading10979_66172e-bd mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading10979_66172e-bd[data-kb-block=\"kb-adv-heading10979_66172e-bd\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading10979_66172e-bd img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading10979_66172e-bd[data-kb-block=\"kb-adv-heading10979_66172e-bd\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading10979_66172e-bd summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading10979_66172e-bd\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The starter is a small motor equipped with a drive assembly that cranks the engine to get the car started.<\/li>\n\n\n\n<li>The best way to troubleshoot a faulty starter is to test the battery with a digital multimeter.<\/li>\n\n\n\n<li>The most common signs of a bad starter include many different kinds of engine failure.<\/li>\n\n\n\n<li>A faulty starter could also be caused by a faulty starter solenoid, which controls the current sent to the motor.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>When a car doesn&rsquo;t start, many people assume that the starter motor is to blame. From a service standpoint, there&rsquo;s a difference between a &ldquo;no start&rdquo; concern and a &ldquo;no crank&rdquo; concern. A &ldquo;no start&rdquo; is typically a &ldquo;spins normally but won&rsquo;t start&rdquo; issue rather than a condition where the engine spins too slowly or not at all.<\/p>\n\n\n\n<p>After all, the component we&rsquo;re talking about here has the term &ldquo;start&rdquo; right in its name. But in reality, there are dozens <a href=\"https:\/\/www.carparts.com\/blog\/my-car-wont-start-what-should-i-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"of potential reasons why a car might not fire up\">of potential reasons why a car might not fire up<\/a>.<\/p>\n\n\n\n<p>That&rsquo;s why it&rsquo;s helpful to know the symptoms of a bad starter. Once you have an idea of what to look for, you (or your mechanic) can perform a thorough diagnosis to confirm whether the starter is to blame. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"735\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/vehicle-starter-motor-1024x735.jpeg\" alt=\"vehicle starter motor\" class=\"wp-image-10991\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/vehicle-starter-motor-1024x735.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/vehicle-starter-motor-300x215.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/vehicle-starter-motor-768x551.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/vehicle-starter-motor.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Problems with other parts of a vehicle can mimic many of the symptoms associated with a bad starter.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Bad Starter Symptoms <\/h2>\n\n\n\n<p>The starter is a small motor (with a drive assembly) that turns the engine over to get the car started. Just about every starter used over the past 30 years has been a small permanent magnet-type motor connected to the starter drive by way of a planetary gearset. That enables the manufacturer to use a smaller, lighter starter than cars used up through most of the 1980s. The starter is also called the starter motor, cranking motor, or car crank starter. Usually, it&rsquo;s just called the &ldquo;starter.&rdquo;<\/p>\n\n\n\n<div class=\"rsi-card\">\n  <div class=\"rsi-thumb\">\n    <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/d_noimage.jpg\/b_white\/e_sharpen,e_auto_brightness,e_auto_contrast\/f_auto\/q_auto:eco,dpr_auto\/w_873,h_873,c_pad\/images\/prmapstr288_8\">\n  <\/div>\n  <div class=\"rsi-info\">\n    <span class=\"rsi-title\">The Best Starter Brands to Crank Your Engine<\/span>\n    <span class=\"rsi-desc\">Check out the top aftermarket starter manufacturers today, and learn tips for choosing the right replacement for your vehicle.\n<\/span>\n    <a href=\"https:\/\/www.carparts.com\/blog\/the-best-starter-brands-to-crank-your-engine-quickref\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Discover Your Options\">Discover Your Options<\/a>\n  <\/div>\n<\/div>\n\n\n<p>It&rsquo;s important to note that the starter turns (cranks) the engine. If your engine cranks normally but does not start, the starter motor is not to blame unless it is pulling too much current and the engine is spinning too slowly because the starter doesn&rsquo;t have the power to spin the engine fast. Such a scenario points toward an issue with air\/fuel delivery, spark delivery, or <a href=\"https:\/\/www.carparts.com\/blog\/the-symptoms-of-low-compression-plus-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"compression\">compression<\/a>, rather than a bad starter.<\/p>\n\n\n\n<div class=\"pro-tip-widget\">\n\n    <div class=\"pro-tip-item\">\n        <figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\", P0442 Code: Evaporative Emission Control System Leak Detected (Small Leak)\" class=\"kb-img\"><\/figure>\n    <\/div>\n\n    <div class=\"protip-desc\">\n        <div class=\"help-tip\">\n        <p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n        <\/div>\n        <div class=\"help-caption\">\n            <p>\n                <strong>Pro Tip:<\/strong>\n                That being said, some fuel-injected engines won&rsquo;t fire the injectors if battery voltage goes below about 7.5 volts while the engine is spinning, so it may seem to be spinning normally yet still not start if the battery is just a bit weak or if the starter is pulling a few more amps than is healthy. This is rather rare but it does happen.            <\/p>\n        <\/div>\n    <\/div>\n\n<\/div>\n\n\n\n\n<p>Another thing to remember is that problems with other parts of the vehicle can mimic many of the symptoms associated with a bad starter. Never assume the starter is to blame without doing some troubleshooting.<\/p>\n\n\n\n<p>With that in mind, let&rsquo;s take a look at the common signs of a bad starter:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Engine Won&rsquo;t Crank or Start<\/h3>\n\n\n\n<p>The most obvious sign of a bad starter is an engine that won&rsquo;t crank or start. Of course, there are many other issues besides a bad starter that can prevent the engine from cranking. A few examples include a bad battery, <a href=\"https:\/\/www.carparts.com\/blog\/ignition-switch-problems-signs-causes-what-to-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"failed ignition switch\">failed ignition switch<\/a>, a locked up accessory (water pump or A\/C compressor pulley bearing, etc.) or an engine mechanical problem.<\/p>\n\n\n\n<p>If you hear a rapid clicking when trying to start the car, that usually points to a bad battery or a bad battery cable connection either at the battery, at the starter, or at the engine block where the ground cable is connected.<\/p>\n\n\n\n<p>Another consideration is voltage drop at one of the connections or within the solenoid itself, which could open the subject of a whole new article. Voltage drop can cause a starter to burn itself out very quickly.<\/p>\n\n\n\n<p>In any scenario, you&rsquo;ll want to perform a thorough diagnosis to determine the root cause of a no-crank or slow-crank concern.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Engine Cranks Slowly<\/h3>\n\n\n\n<p>An internal problem with the starter motor can cause the engine to crank slowly. But the problem can also be caused by other issues, such as a weak battery, a partially seized belt driven accessory, or internal engine problem.<\/p>\n\n\n\n<p>You&rsquo;ll need to do your homework to determine whether the starter is to blame.<\/p>\n\n\n\n<div class=\"pro-tip-widget\">\n\n    <div class=\"pro-tip-item\">\n        <figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\", P0442 Code: Evaporative Emission Control System Leak Detected (Small Leak)\" class=\"kb-img\"><\/figure>\n    <\/div>\n\n    <div class=\"protip-desc\">\n        <div class=\"help-tip\">\n        <p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n        <\/div>\n        <div class=\"help-caption\">\n            <p>\n                <strong>Pro Tip:<\/strong>\n                You should be able to use a breaker bar with the right socket on the crankshaft bolt and turn the engine very easily by hand (don&rsquo;t do this with the key on). If it seems hard, remove the belts and try again. If it&rsquo;s still hard, remove the starter and try one more time. If the engine is hard to turn with the belts and starter removed, it&rsquo;s an internal engine problem.            <\/p>\n        <\/div>\n    <\/div>\n\n<\/div>\n\n\n\n\n<h3 class=\"wp-block-heading\">Grinding Noise While Starting the Engine<\/h3>\n\n\n\n<p>If the teeth on the starter pinion gear are damaged, or the starter fails to retract soon enough once the engine is running, you&rsquo;ll hear a grinding noise while starting the engine.<\/p>\n\n\n\n<p>The problem can also result from damaged teeth on the flywheel (or flexplate) that mesh with the starter gear.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Whirring Noise When Trying to Start the Engine<\/h3>\n\n\n\n<p>A defective starter drive can allow the pinion gear to freewheel during engine cranking, resulting in a whirring or whining noise.<\/p>\n\n\n\n<p>The starter drive has an internal one-way clutch that can sometimes fail and cause the starter to begin spinning the engine. When the one-way clutch doesn&rsquo;t hold, the starter will continue to spin without spinning the engine at all.<\/p>\n\n\n\n<p>In most cases, because the pinion gear isn&rsquo;t engaging the flywheel properly, the engine will also fail to crank.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Engine Intermittently Fails to Crank or Start<\/h3>\n\n\n\n<p>Like most other electrical devices, the starter motor can experience intermittent failure, resulting in an engine that occasionally fails to crank or start.<\/p>\n\n\n\n    <div class=\"ai-summary-widget\">\n\n        <div class=\"ai-summary-grid\">\n\n            <div>\n                <div class=\"ai-avatar\">\n                    <figure>\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/ai-summary\/ai-bot\" alt=\"AI robot\">\n                    <\/figure>\n                    <span>ELI5<\/span>\n                <\/div>\n            <\/div>\n            <div>\n                <p>The starter is like a little helper that wakes up your car's big engine. If your car won&rsquo;t start at all, the starter might be broken&mdash;but it could also be a dead battery or another issue. If your car makes a clicking noise when you turn the key, the battery might be weak. If the engine cranks but sounds slow, the starter could be struggling. A grinding noise means the starter's gear might be damaged. A whirring sound means the starter isn&rsquo;t grabbing the engine right. A starter that works intermittently could mean that it&rsquo;s failing. Always check other parts before blaming the starter.<\/p>    \n            <\/div>\n\n        <\/div>\n\n        <div class=\"ai-summary-tooltip\">   \n            <p>Not everyone is an auto repair expert. <strong>ELI5 (&ldquo;Explain Like I&rsquo;m Five&rdquo;)<\/strong> provides layperson-friendly explanations of complex automotive concepts, systems, &amp; parts, so you can fully understand their importance. Great for casual car owners and DIY beginners! Powered by AI.<\/p>\n        <\/div>\n\n    <\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How Does a Starter Work?<\/h2>\n\n\n\n<p>The starter contains a motor, as well as a drive assembly with a pinion gear. During cranking, the pinion gear meshes with the engine&rsquo;s toothed flywheel (or a flexplate if the car has an automatic transmission).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"381\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/diagram-showing-how-a-starter-works-1024x381.jpg\" alt=\"diagram showing how a starter works\" class=\"wp-image-137136\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/diagram-showing-how-a-starter-works-1024x381.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/diagram-showing-how-a-starter-works-300x112.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/diagram-showing-how-a-starter-works-768x286.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/diagram-showing-how-a-starter-works-1536x571.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/diagram-showing-how-a-starter-works-150x56.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/diagram-showing-how-a-starter-works.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Diagram showing how a starter works | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<p>Most starters also contain a solenoid (though the solenoid or relay can be located remotely) that acts as a type of switch to engage the starter.<\/p>\n\n\n\n<p>When you turn the <a href=\"https:\/\/www.carparts.com\/blog\/how-to-get-a-replacement-car-key\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"key\">key<\/a> to start your car, the solenoid core, a heavy metal cylinder, reacting to the magnetic field in the solenoid winding, first moves toward the back of the starter to ram a thick copper washer against the two studs that make the connection from the battery to the starter motor.<\/p>\n\n\n\n<p>But before it snaps the heavy copper contact against the two posts (see illustration), it operates a lever that engages the starter drive teeth in the flywheel. The starter should never begin to spin until the teeth of the starter drive are fully engaged in the flywheel.<\/p>\n\n\n\n<p>The starter motor then spins the pinion gear, which, in turn, rotates the flywheel to crank the engine. Usually the gear ratio of the starter drive to the number of flywheel teeth is about 14 to 1, but it varies.<\/p>\n\n\n\n<p>Check out these videos on how to replace your starter:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to replace the Starter 2009-2014 Ford F150 &#9889;\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/wkREuSGosgU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to replace the Starter 2009-2018 Dodge RAM 1500 &#9889;\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/zHh2f4Tqlws?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How Do You Troubleshoot a Car Starter When the Car Won&rsquo;t Start?<\/h2>\n\n\n\n<p>An old trick mechanics often use is to bang on the starter with a rubber mallet to see if the engine cranks.<\/p>\n\n\n\n<p>If the car starts after the starter is given a few whacks, you know the starter is faulty. The reason this works is because the brushes wear out over time and usually one of them will have a voltage drop condition that can be overcome by bumping the starter. But don&rsquo;t hit it hard with a steel hammer or you may break the permanent magnets.<\/p>\n\n\n\n<p>The problem is the rubber mallet test only works in limited instances. To properly diagnose the starter in a no-crank situation, you&rsquo;ll want to follow the steps outlined below.<\/p>\n\n\n\n<p><em><strong>Note: <\/strong>The following are general guidelines for educational and entertainment purposes only. Consult your vehicle&rsquo;s factory information for specific repair instructions and recommended safety procedures.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Test the Battery <\/h3>\n\n\n\n<p>Because batteries fail far more often than starters, you&rsquo;ll want to test the battery before you go any further. Make sure the battery terminals are also clean and tight, and that the battery cables are in good condition. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"614\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/multimeter-1024x614.png\" alt=\"multimeter\" class=\"wp-image-16863\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/multimeter-1024x614.png 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/multimeter-300x180.png 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/multimeter-768x461.png 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/multimeter-150x90.png 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/multimeter.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">A sufficiently charged car battery should have at least 12.2 volts.<\/figcaption><\/figure>\n\n\n\n<p>You can test a battery&rsquo;s state of charge using a digital multimeter (DMM). To do so, follow these steps:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Put on your safety glasses.<\/li>\n\n\n\n<li>Set the DMM to the 20 volts DC setting.<\/li>\n\n\n\n<li>Connect the black meter lead to the negative battery terminal and the red meter lead to the positive battery terminal, right in the center of the battery post.<\/li>\n\n\n\n<li>A battery that&rsquo;s sufficiently charged should have at least 12.2 volts.<\/li>\n\n\n\n<li>If your battery has less than about 12 volts, you&rsquo;ll want to charge it, then test it with a load tester. Most people don&rsquo;t have access to a load tester, but nearly all auto parts stores do, and they&rsquo;ll test your battery free of charge.<\/li>\n\n\n\n<li>With the meter still connected, try to spin the starter. If the voltage remains the same and the starter doesn&rsquo;t spin, move your test leads to the battery cable terminals and try the test again. If the voltage at the battery terminal end drops significantly but the measured battery voltage remains at just over 12 volts, clean the terminals.<\/li>\n<\/ul>\n\n\n\n<p>Here is a video that demonstrates the steps above:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to Test a Car Battery - Plus Tips on How to Prevent a Battery From Going Bad\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Km6MNRYeEEY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Perform a Voltage Drop Test<\/h3>\n\n\n\n<p>This test is most commonly performed by professional mechanics but is the most useful test of the connections between the battery and the starter. If you get more voltage drop than the specified amount, find out where the bad connection is and repair it.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"950\" height=\"820\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/voltage-drop-test-diagram.jpg\" alt=\"voltage drop test diagram\" class=\"wp-image-137137\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/voltage-drop-test-diagram.jpg 950w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/voltage-drop-test-diagram-300x259.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/voltage-drop-test-diagram-768x663.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/voltage-drop-test-diagram-150x129.jpg 150w\" sizes=\"(max-width: 950px) 100vw, 950px\"><figcaption class=\"wp-element-caption\">Voltage drop test diagram | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Check that Power is Getting to the Starter Solenoid <\/h3>\n\n\n\n<p>If the battery is okay, next, you&rsquo;ll want to ensure that power is getting to the solenoid on top of the starter. You can do this with a DMM.<\/p>\n\n\n\n<p>Here&rsquo;s how it&rsquo;s done:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Put on your safety glasses. <\/li>\n\n\n\n<li>Set the DMM to the 20 volts DC setting.<\/li>\n\n\n\n<li>Connect the black meter lead to the negative battery terminal and the red meter lead to the control terminal on the starter solenoid.<\/li>\n\n\n\n<li>Have a friend turn the ignition key to the start position. <\/li>\n\n\n\n<li>You should see battery voltage on your meter. If not, there&rsquo;s a problem somewhere in the starter control circuit you&rsquo;ll need to hunt down. <\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"900\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/starter-solenoid-battery-cable.jpg\" alt=\"starter solenoid battery cable\" class=\"wp-image-21866\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/starter-solenoid-battery-cable.jpg 1500w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/starter-solenoid-battery-cable-300x180.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/starter-solenoid-battery-cable-1024x614.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/starter-solenoid-battery-cable-768x461.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/starter-solenoid-battery-cable-150x90.jpg 150w\" sizes=\"(max-width: 1500px) 100vw, 1500px\"><figcaption class=\"wp-element-caption\"><em>Connect the other meter lead to the starter solenoid&rsquo;s control terminal.<\/em><\/figcaption><\/figure>\n\n\n\n<p>On the other hand, if there&rsquo;s battery voltage present all the way to the solenoid, the starter is likely faulty. But there are a couple of additional steps you should take to be sure. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bench Test the Starter <\/h3>\n\n\n\n<p>By this point, you&rsquo;ve ensured battery voltage is getting to the solenoid on top of the starter. That rules out a control circuit problem and points to either a bad starter, high resistance in the starter power\/ground circuits, or an engine mechanical problem. <\/p>\n\n\n\n<p>To confirm the starter is to blame, you&rsquo;ll want to remove it and bench test it.<\/p>\n\n\n\n<p>Connect a good battery to the starter housing and the main battery post using jumper cables, then apply voltage from the same source to the solenoid S terminal. Have somebody hold the starter securely because when it begins to spin it will try to aggressively roll. If it spins slowly or with great effort, the starter needs to be replaced.<\/p>\n\n\n\n<p>You can attempt to test it yourself, as outlined in the video below:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to Test Your Car's Starter and Solenoid Assembly\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/6x2hIOtBfzE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Find a New Starter for Your Vehicle<\/h2>\n\n\n\n<p>Bad starters can cause a lot of damage to your engine, and driving with one is a slippery slope that usually leads to costly repairs. On the bright side, it only takes a few minutes to shop online for the perfect starter replacements here at CarParts.com.<\/p>\n\n\n\n<p>Why scour auto parts stores for replacement starters when you can find exactly what you need and check out securely with just a few clicks here at <a href=\"https:\/\/www.carparts.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CarParts.com\">CarParts.com<\/a>? Choose from our wide selection of OE-grade starters sold at unbeatable prices. All our products are on hand and ready to ship, so you can get your order in as fast as two business days.<\/p>\n\n\n\n<p>Use our vehicle selector and filters to view the starters that fit your daily driver and have the specs you want. Don&rsquo;t hesitate to reach out to our friendly customer service team if you have questions.&nbsp;<br>Why hold off on getting a new starter for your vehicle? Check out our top-notch <a href=\"https:\/\/www.carparts.com\/starter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"starters\">starters<\/a> today!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Products Mentioned in this Guide<\/h2>\n\n\n\n<div class=\"reusable-productlink\">\n\n<!-- start of editable content -->\n\n<a href=\"https:\/\/www.carparts.com\/starter\" target=\"_blank\" aria-label=\"starter\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/mpa17825n_1\">\n<strong>Starter<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/ignition-switch\" target=\"_blank\" aria-label=\"ignition switch\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repc506204_1\">\n<strong>Ignition Switch<\/strong>\n<\/a>\n\n<!-- end of editable content -->\n\n<\/div>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 8<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>When a car doesn&rsquo;t start, many people assume that the starter motor is to blame. From a service standpoint, there&rsquo;s&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/bad-starter-symptoms\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1643,"featured_media":10998,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[52,3744],"tags":[1030],"ppma_author":[2622,2985],"class_list":{"0":"post-10979","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-ignition-system","9":"tag-starter","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>5 Signs of a Bad Starter - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Read on to learn about the five most common problems of a starter motor and the steps you can take to fix the issue.\" \/>\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.carparts.com\/blog\/bad-starter-symptoms\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"5 Signs of a Bad Starter - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Read on to learn about the five most common problems of a starter motor and the steps you can take to fix the issue.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/bad-starter-symptoms\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2020-06-29T09:53:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-19T03:28:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/06\/starting-a-car.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mia Bevacqua, ASE Certified Master Automobile Technician, Richard McCuistian, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mia Bevacqua, ASE Certified Master Automobile Technician\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-starter-symptoms\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-starter-symptoms\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1643\",\"name\":\"Mia Bevacqua\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"Mia Bevacqua has over 14 years of experience in the auto industry and holds a bachelor\u2019s degree in Advanced Automotive Systems. 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