{"id":84248,"date":"2023-05-25T03:11:29","date_gmt":"2023-05-25T10:11:29","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=84248"},"modified":"2023-10-19T05:17:16","modified_gmt":"2023-10-19T12:17:16","slug":"symptoms-of-malfunctioning-hazard-and-turn-signal-flashers","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/symptoms-of-malfunctioning-hazard-and-turn-signal-flashers\/","title":{"rendered":"Symptoms of Malfunctioning Hazard and Turn Signal Flashers"},"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\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_0eb2d1-91 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_0eb2d1-91 > .kt-inside-inner-col,.kadence-column_0eb2d1-91 > .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-column_0eb2d1-91 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_0eb2d1-91 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_0eb2d1-91 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_0eb2d1-91 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_0eb2d1-91{position:relative;}@media all and (max-width: 1024px){.kadence-column_0eb2d1-91 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_0eb2d1-91 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_0eb2d1-91 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-e88ca4  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-0b7a83\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_68d0c3-25, .wp-block-kadence-advancedheading.kt-adv-heading_68d0c3-25[data-kb-block=\"kb-adv-heading_68d0c3-25\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_68d0c3-25 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_68d0c3-25[data-kb-block=\"kb-adv-heading_68d0c3-25\"] 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-heading_68d0c3-25 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_68d0c3-25[data-kb-block=\"kb-adv-heading_68d0c3-25\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_68d0c3-25 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_68d0c3-25\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Faulty hazard lights might start flashing without stopping because of a bad relay or electrical shorts.<\/li><li>Bimetal or DOT flashers with a burned-out bulb or wiring problem might shine steadily without blinking.<\/li><li>In most new cars, the turn signal might flash too quickly after a bulb burns out.<\/li><li>Faulty turn signal lamp indicators will also stay on or flash quickly.<\/li><li>Hazard or turn signal flashers are available in thermal and electronic types.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Using your hazard and <a href=\"https:\/\/www.carparts.com\/turn-signal-light\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turn signal lights\">turn signal lights<\/a> is all part of driving a vehicle. Your safety and that of others on the road depend on these signals being used properly to indicate turns or notify others that something is wrong. That&rsquo;s why a malfunction in the hazard\/turn signal flasher is a big problem.<\/p>\n\n\n<style>.kadence-column_15762b-10 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_15762b-10 > .kt-inside-inner-col,.kadence-column_15762b-10 > .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-column_15762b-10 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_15762b-10 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_15762b-10 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_15762b-10 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_15762b-10{position:relative;}@media all and (max-width: 1024px){.kadence-column_15762b-10 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_15762b-10 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_15762b-10 kb-section-dir-vertical kb-section-sm-dir-vertical pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>#kt-layout-id_5651a4-b2 > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_5651a4-b2 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_5651a4-b2 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:20px;padding-bottom:20px;padding-left:16px;padding-right:32px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}#kt-layout-id_5651a4-b2 > .kt-row-layout-overlay{opacity:0.00;}#kt-layout-id_5651a4-b2 .kt-row-layout-bottom-sep{height:100px;}#kt-layout-id_5651a4-b2 .kt-row-layout-bottom-sep svg{width:100%;}#kt-layout-id_5651a4-b2 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}#kt-layout-id_5651a4-b2 .kt-row-layout-top-sep{height:100px;}#kt-layout-id_5651a4-b2 .kt-row-layout-top-sep svg{width:100%;}#kt-layout-id_5651a4-b2 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){#kt-layout-id_5651a4-b2 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){#kt-layout-id_5651a4-b2 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){#kt-layout-id_5651a4-b2 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){#kt-layout-id_5651a4-b2 > .kt-row-column-wrap{padding-top:28px;padding-bottom:25px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}#kt-layout-id_5651a4-b2 .kt-row-layout-bottom-sep{height:px;}#kt-layout-id_5651a4-b2 .kt-row-layout-bottom-sep svg{width:%;}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone pro-tip-wrap\"><div id=\"kt-layout-id_5651a4-b2\" class=\"kt-row-layout-inner kt-layout-id_5651a4-b2\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-none kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-right-golden kt-m-colapse-left-to-right kt-mobile-layout-right-golden  kt-custom-first-width-10  kt-custom-second-width-90\"><style>.kadence-column_3a571e-91 > .kt-inside-inner-col{display:flex;}.kadence-column_3a571e-91 > .kt-inside-inner-col{min-height:45px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_3a571e-91 > .kt-inside-inner-col,.kadence-column_3a571e-91 > .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-column_3a571e-91 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column_3a571e-91 > .kt-inside-inner-col > *, .kadence-column_3a571e-91 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_3a571e-91 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_3a571e-91 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column_3a571e-91 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_3a571e-91{position:relative;}@media all and (max-width: 1024px){.kadence-column_3a571e-91 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column_3a571e-91 > .kt-inside-inner-col > *, .kadence-column_3a571e-91 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_3a571e-91 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_3a571e-91 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column_3a571e-91 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column_3a571e-91 > .kt-inside-inner-col > *, .kadence-column_3a571e-91 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_3a571e-91 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_3a571e-91 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_3a571e-91 kb-section-dir-horizontal kb-section-md-dir-horizontal pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image_35ab08-28.kb-image-is-ratio-size, .kb-image_35ab08-28 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image_35ab08-28.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image_35ab08-28 .kb-image-is-ratio-size{align-self:unset;}.kb-image_35ab08-28 figure{max-width:45px;}.kb-image_35ab08-28 .image-is-svg, .kb-image_35ab08-28 .image-is-svg img{width:100%;}.kb-image_35ab08-28 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image_35ab08-28\"><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=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column_7b350d-22 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_7b350d-22 > .kt-inside-inner-col,.kadence-column_7b350d-22 > .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-column_7b350d-22 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_7b350d-22 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_7b350d-22 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_7b350d-22 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_7b350d-22{position:relative;}@media all and (max-width: 1024px){.kadence-column_7b350d-22 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_7b350d-22 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_7b350d-22 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<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\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\n            <span>The main way to determine whether the flashers are working or not is to turn them on and then walk around the car to make sure they&rsquo;re all working.<\/span>\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/hazard-warning-flasher\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"hazard\">hazard<\/a> and <a href=\"https:\/\/www.carparts.com\/turn-signal-flasher\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turn signal flashers\">turn signal flashers<\/a> are either separate or combined into a single hybrid system. These flashers are what give your hazard and <a href=\"https:\/\/www.carparts.com\/blog\/bad-turn-signal-light-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turn signal\">turn signal<\/a> lights their eye-catching on-and-off blink. This blink is achieved when the flasher opens and closes the turn signal circuit.<\/p>\n\n\n\n<p>Different kinds of flashers achieve this opening and closing cycle in different ways. Some platforms don&rsquo;t use flashers, but depend on a circuit in the body control module (BCM) or a lighting control module (LCM). When the flasher isn&rsquo;t working properly, then you can observe the following symptoms:<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Hazard Lights Keep Flashing<\/h2>\n\n\n\n<p>For an electric flasher system, hazard lights sometimes start flashing without stopping. This can cause some trouble. Many states also forbid you from driving around with hazard lights on, which can be impossible with a malfunctioning flasher. This problem can also lead to your battery getting drained and your vehicle losing power. As rare as this may be, it can happen.<\/p>\n\n\n\n<p>A multimeter can help identify a malfunctioning relay as the culprit, but it&rsquo;s better to use a test light or a load that is equal in current draw to the circuit being tested. This is because a multimeter can fool you into thinking a relay is working when actually it can&rsquo;t pull an electrical load. <a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Electrical shorts\">Electrical shorts<\/a> in the system can also cause the same effect. The shorts might also be causing problems in your vehicle&rsquo;s other electronic components.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Turn Signal Is Stuck and Doesn&rsquo;t Flash<\/h2>\n\n\n\n<p>If your vehicle is equipped with a bimetal or DOT (series-type) flasher, your flashers may not blink and stay on when there&rsquo;s a problem, like a burned out bulb.<\/p>\n\n\n\n<p>When one bulb burns out, the current flow isn&rsquo;t enough to keep the other bulb flashing. A signal light that stays on is an easy way to spot when one of your other bulbs is burnt out and needs replacing. Once you have a new bulb in, the flasher goes back to functioning normally.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Turn Signal Is Flashing Quickly<\/h2>\n\n\n\n<p>A turn signal that flashes too quickly is also a sign of a burnt-out bulb on most newer cars (older cars don&rsquo;t do this). This is commonly found on vehicles that use flasher relays or have the flash circuit built into the BCM or LCM or have solid-state turn signal flashers.<\/p>\n\n\n<style>.kadence-column_28b0e8-02 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_28b0e8-02 > .kt-inside-inner-col,.kadence-column_28b0e8-02 > .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-column_28b0e8-02 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_28b0e8-02 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_28b0e8-02 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_28b0e8-02 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_28b0e8-02{position:relative;}@media all and (max-width: 1024px){.kadence-column_28b0e8-02 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_28b0e8-02 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_28b0e8-02 kb-section-dir-vertical kb-section-sm-dir-vertical pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>#kt-layout-id_72f777-68 > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_72f777-68 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_72f777-68 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:20px;padding-bottom:20px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}#kt-layout-id_72f777-68 > .kt-row-layout-overlay{opacity:0.00;}#kt-layout-id_72f777-68 .kt-row-layout-bottom-sep{height:100px;}#kt-layout-id_72f777-68 .kt-row-layout-bottom-sep svg{width:100%;}#kt-layout-id_72f777-68 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}#kt-layout-id_72f777-68 .kt-row-layout-top-sep{height:100px;}#kt-layout-id_72f777-68 .kt-row-layout-top-sep svg{width:100%;}#kt-layout-id_72f777-68 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){#kt-layout-id_72f777-68 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){#kt-layout-id_72f777-68 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){#kt-layout-id_72f777-68 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){#kt-layout-id_72f777-68 > .kt-row-column-wrap{padding-top:28px;padding-bottom:25px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}#kt-layout-id_72f777-68 .kt-row-layout-bottom-sep{height:px;}#kt-layout-id_72f777-68 .kt-row-layout-bottom-sep svg{width:%;}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone pro-tip-wrap\"><div id=\"kt-layout-id_72f777-68\" class=\"kt-row-layout-inner kt-layout-id_72f777-68\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-none kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-right-golden kt-m-colapse-left-to-right kt-mobile-layout-right-golden  kt-custom-first-width-10  kt-custom-second-width-90\"><style>.kadence-column_c0f6c3-5a > .kt-inside-inner-col{display:flex;}.kadence-column_c0f6c3-5a > .kt-inside-inner-col{min-height:45px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_c0f6c3-5a > .kt-inside-inner-col,.kadence-column_c0f6c3-5a > .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-column_c0f6c3-5a > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column_c0f6c3-5a > .kt-inside-inner-col > *, .kadence-column_c0f6c3-5a > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_c0f6c3-5a > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_c0f6c3-5a > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column_c0f6c3-5a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_c0f6c3-5a{position:relative;}@media all and (max-width: 1024px){.kadence-column_c0f6c3-5a > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column_c0f6c3-5a > .kt-inside-inner-col > *, .kadence-column_c0f6c3-5a > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_c0f6c3-5a > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_c0f6c3-5a > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column_c0f6c3-5a > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column_c0f6c3-5a > .kt-inside-inner-col > *, .kadence-column_c0f6c3-5a > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_c0f6c3-5a > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_c0f6c3-5a > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_c0f6c3-5a kb-section-dir-horizontal kb-section-md-dir-horizontal pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image_394519-a9.kb-image-is-ratio-size, .kb-image_394519-a9 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image_394519-a9.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image_394519-a9 .kb-image-is-ratio-size{align-self:unset;}.kb-image_394519-a9 figure{max-width:45px;}.kb-image_394519-a9 .image-is-svg, .kb-image_394519-a9 .image-is-svg img{width:100%;}.kb-image_394519-a9 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image_394519-a9\"><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=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column_9ede26-36 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_9ede26-36 > .kt-inside-inner-col,.kadence-column_9ede26-36 > .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-column_9ede26-36 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_9ede26-36 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_9ede26-36 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_9ede26-36 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_9ede26-36{position:relative;}@media all and (max-width: 1024px){.kadence-column_9ede26-36 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_9ede26-36 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_9ede26-36 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<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\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\n            <span>If just one turn signal (front or rear) isn&rsquo;t working and the other one is, it&rsquo;s usually a bulb or wiring issue. However, some units, such as early 2000s Jeep Grand Wagonners, have a different wire coming out of the flasher for each of the four turn signal bulbs.<\/span>\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/diagram-of-a-1999-2005-jeep-grand-cherokee-combination-flasher-circuit-1024x301.jpg\" alt=\"diagram of a 1999 2005 jeep grand cherokee combination flasher circuit\" class=\"wp-image-85500\" width=\"1024\" height=\"301\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/diagram-of-a-1999-2005-jeep-grand-cherokee-combination-flasher-circuit-1024x301.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/diagram-of-a-1999-2005-jeep-grand-cherokee-combination-flasher-circuit-300x88.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/diagram-of-a-1999-2005-jeep-grand-cherokee-combination-flasher-circuit-768x226.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/diagram-of-a-1999-2005-jeep-grand-cherokee-combination-flasher-circuit-1536x451.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/diagram-of-a-1999-2005-jeep-grand-cherokee-combination-flasher-circuit-150x44.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/diagram-of-a-1999-2005-jeep-grand-cherokee-combination-flasher-circuit.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Diagram of a 1999-2005 Jeep Grand Cherokee Combination Flasher circuit | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Turn Signal Indicator Lamp Is Always On or Flashing Quickly<\/h2>\n\n\n\n<p>For certain turn signal flashers, the turn signal indicator lamp on your dashboard will also be affected by a burnt-out bulb.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-bimetal-flashers-1024x407.jpg\" alt=\"car bimetal flashers\" class=\"wp-image-85501\" width=\"1024\" height=\"407\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-bimetal-flashers-1024x407.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-bimetal-flashers-300x119.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-bimetal-flashers-768x305.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-bimetal-flashers-150x60.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-bimetal-flashers.jpg 1027w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>In the case of a bimetal flasher (see two-prong unit in photo), instead of flashing, the turn indicator will either stay on when you activate the turn signal or it might blink slowly, depending on how many bulbs the flasher is designed to carry. Not all bimetal flashers are created with the same specs. | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<p>For electronic flasher units, the indicator lamp will flash at a faster rate than usual if the current draw is less than it would be with two bulbs. Both these are signs that one of your signal lights has burnt out, which causes the flasher to stop functioning like usual.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cost To Fix a Malfunctioning Hazard or Turn Signal Flasher<\/h2>\n\n\n\n<p>The cost of new signal flashers range from $10&ndash;$140. If it&rsquo;s the bulb causing your flasher to malfunction, then prices can go from $10&ndash;$850 depending on the model of your vehicle.<\/p>\n\n\n<style>.kadence-column_679d85-0d > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_679d85-0d > .kt-inside-inner-col,.kadence-column_679d85-0d > .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-column_679d85-0d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_679d85-0d > .kt-inside-inner-col{flex-direction:column;}.kadence-column_679d85-0d > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_679d85-0d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_679d85-0d{position:relative;}@media all and (max-width: 1024px){.kadence-column_679d85-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_679d85-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_679d85-0d kb-section-dir-vertical kb-section-sm-dir-vertical pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>#kt-layout-id_776de5-ea > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_776de5-ea > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_776de5-ea > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:20px;padding-bottom:20px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}#kt-layout-id_776de5-ea > .kt-row-layout-overlay{opacity:0.00;}#kt-layout-id_776de5-ea .kt-row-layout-bottom-sep{height:100px;}#kt-layout-id_776de5-ea .kt-row-layout-bottom-sep svg{width:100%;}#kt-layout-id_776de5-ea .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}#kt-layout-id_776de5-ea .kt-row-layout-top-sep{height:100px;}#kt-layout-id_776de5-ea .kt-row-layout-top-sep svg{width:100%;}#kt-layout-id_776de5-ea .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){#kt-layout-id_776de5-ea > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){#kt-layout-id_776de5-ea .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){#kt-layout-id_776de5-ea .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){#kt-layout-id_776de5-ea > .kt-row-column-wrap{padding-top:28px;padding-bottom:25px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}#kt-layout-id_776de5-ea .kt-row-layout-bottom-sep{height:px;}#kt-layout-id_776de5-ea .kt-row-layout-bottom-sep svg{width:%;}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone pro-tip-wrap\"><div id=\"kt-layout-id_776de5-ea\" class=\"kt-row-layout-inner kt-layout-id_776de5-ea\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-none kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-right-golden kt-m-colapse-left-to-right kt-mobile-layout-right-golden  kt-custom-first-width-10  kt-custom-second-width-90\"><style>.kadence-column_30e8d4-25 > .kt-inside-inner-col{display:flex;}.kadence-column_30e8d4-25 > .kt-inside-inner-col{min-height:45px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_30e8d4-25 > .kt-inside-inner-col,.kadence-column_30e8d4-25 > .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-column_30e8d4-25 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column_30e8d4-25 > .kt-inside-inner-col > *, .kadence-column_30e8d4-25 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_30e8d4-25 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_30e8d4-25 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column_30e8d4-25 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_30e8d4-25{position:relative;}@media all and (max-width: 1024px){.kadence-column_30e8d4-25 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column_30e8d4-25 > .kt-inside-inner-col > *, .kadence-column_30e8d4-25 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_30e8d4-25 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_30e8d4-25 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column_30e8d4-25 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column_30e8d4-25 > .kt-inside-inner-col > *, .kadence-column_30e8d4-25 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_30e8d4-25 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_30e8d4-25 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_30e8d4-25 kb-section-dir-horizontal kb-section-md-dir-horizontal pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image_662206-70.kb-image-is-ratio-size, .kb-image_662206-70 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image_662206-70.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image_662206-70 .kb-image-is-ratio-size{align-self:unset;}.kb-image_662206-70 figure{max-width:45px;}.kb-image_662206-70 .image-is-svg, .kb-image_662206-70 .image-is-svg img{width:100%;}.kb-image_662206-70 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image_662206-70\"><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=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column_84342f-b9 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_84342f-b9 > .kt-inside-inner-col,.kadence-column_84342f-b9 > .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-column_84342f-b9 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_84342f-b9 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_84342f-b9 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_84342f-b9 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_84342f-b9{position:relative;}@media all and (max-width: 1024px){.kadence-column_84342f-b9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_84342f-b9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_84342f-b9 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<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\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\n            <span>Some flashers are somewhat difficult to access, even if you know where they are. Platforms with round flashers (two prong) will have a separate flasher unit for the turn signals and the hazard flashers.<\/span>\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Types of Hazard or Turn Signal Flashers<\/h2>\n\n\n\n<p>There are many types of hazard\/turn signal flashers out there. Identifying what type of flasher is in your vehicle can help you diagnose what&rsquo;s wrong. It&rsquo;ll also make buying the replacement parts for your vehicle easier. Here&rsquo;s a rundown of the two most common variants:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thermal Flashers<\/h3>\n\n\n\n<p>Also known as bimetal flashers, thermal flashers are often found in older vehicles. Keep in mind, however, that many people might not be familiar with the terminology. These flashers would be the common, round two-terminal flashers that were used on cars for decades until about the late 1980s or early 1990s (see photo).<\/p>\n\n\n\n<p>These current-sensitive flashers work using temperature changes in two different metals. Like a circuit breaker, it makes use of the difference in the expansion and contraction of the metals to close and open circuits. When the current is interrupted due to a burnt-out bulb, the temperature changes are no longer drastic enough to open the circuit and cause the flashing except on some flashers of this type that are designed to flash at the same rate even if there&rsquo;s only one bulb working.<\/p>\n\n\n\n<p>Because they function by constantly distorting metal parts, thermal flashers are known to have shorter lifespans than electronic flashers. Note, however, that it&rsquo;s also possible for this type of flasher to last the entire life of the vehicle without needing to be replaced.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Electronic Flashers<\/h3>\n\n\n\n<p>There are different types of electronic flashers, such as solid state flashers and flasher relays (flashers with three or more terminals). In the case of solid state flashers, they&rsquo;re entirely electronic with no moving parts. Their timing and load switching rely on an internal electronic circuit and solid-state power output devices.<\/p>\n\n\n\n<p>Meanwhile, flasher relays have an electronic flasher control circuit to run their internal electromechanical relays. They can operate at a wide range of temperatures and voltages thanks to their stable electronic timing circuitry.<\/p>\n\n\n\n<p>Because they rely less on moving parts, electronic flashers last longer than thermal flashers, but they&rsquo;re also more expensive.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Do I Do if My Flashing Unit Is Broken?<\/h2>\n\n\n\n<p>A malfunctioning hazard or turn signal flasher can be a real danger on the road. If your vehicle is suffering from a malfunctioning flashing unit, you&rsquo;re legally required to use turn hand signals until it&rsquo;s fixed. Having this problem repaired as soon as possible is for the best.<\/p>\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\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Using your hazard and turn signal lights is all part of driving a vehicle. Your safety and that of others&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/symptoms-of-malfunctioning-hazard-and-turn-signal-flashers\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":84282,"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":[3745,52],"tags":[3733,3790,1281],"ppma_author":[2607,2985],"class_list":{"0":"post-84248","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-car-lights","8":"category-diy","9":"tag-hazard-warning-flasher","10":"tag-turn-signal-flasher","11":"tag-turn-signal-light-2","12":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Symptoms of Malfunctioning Hazard and Turn Signal Flashers - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"A failing hazard or turn signal flasher can cause a lot of confusion. 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