{"product_id":"3-in-1-automotive-circuit-probe-fuse-relay-tester-tool","title":"⚡ 3-in-1 Automotive Circuit Probe \u0026 Relay Tester","description":"\u003c!-- Shopify爆款详情页 V3 | 3-in-1 Automotive Circuit Probe \u0026 Relay Tester | Light Background Edition --\u003e\n\u003cstyle\u003e\n.acp{--red:#c92724;--red-dark:#971b1b;--ink:#18202a;--steel:#354150;--soft:#f4f6f8;--line:#dfe4e8;--muted:#5d6874;--green:#168456;max-width:920px;margin:0 auto;padding:0 12px 42px;font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Arial,sans-serif;color:var(--ink)!important;line-height:1.55;background:#fff!important}.acp *{box-sizing:border-box}.acp h1,.acp h2,.acp h3,.acp p{margin:0;color:inherit}.acp img{display:block;width:100%;height:auto}.acp section{margin-top:16px;border-radius:24px;overflow:hidden}\n.acp-hero{padding:38px 20px 20px;background:linear-gradient(135deg,#fff7f6 0%,#f2f5f7 100%)!important;border:1px solid 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p{padding-top:9px;color:var(--muted)!important;font-size:14px}\n.acp-final{padding:38px 22px;background:linear-gradient(135deg,#fff4f2,#eef2f5)!important;border:1px solid #e7dedd;color:var(--ink)!important;text-align:center}.acp-final h2{font-size:clamp(29px,5vw,41px);line-height:1.1;font-weight:900;color:var(--ink)!important}.acp-final p{max-width:650px;margin:13px auto 0;color:var(--muted)!important}.acp-btn{display:inline-block;margin-top:21px;padding:16px 27px;border-radius:999px;background:linear-gradient(135deg,#ef3b35,#b82020)!important;color:#fff!important;text-decoration:none!important;font-weight:900;box-shadow:0 8px 22px rgba(185,32,32,.25)}.acp-btn:hover{filter:brightness(.95);transform:translateY(-1px)}.acp-micro{margin-top:12px!important;color:#707b86!important;font-size:12px}\n@media(max-width:680px){.acp{padding:0 9px 30px}.acp-hero{padding:31px 15px 16px}.acp-block{padding:30px 16px}.acp-proof,.acp-compare,.acp-grid,.acp-steps{grid-template-columns:1fr}.acp-spec th,.acp-spec td{padding:12px 10px;font-size:13px}.acp-final{padding:32px 17px}}\n\u003c\/style\u003e\n\u003cdiv class=\"acp\"\u003e\n\u003csection class=\"acp-hero\"\u003e\n\u003cspan class=\"acp-tag\"\u003eAUTOMOTIVE ELECTRICAL TESTING\u003c\/span\u003e\n\u003ch1\u003eStop Switching Between Four Different Tools\u003c\/h1\u003e\n\u003cp\u003eTest power, polarity, fuses, electrical components and compatible 4-pin or 5-pin relays with one compact automotive circuit probe.\u003c\/p\u003e\n\u003cdiv class=\"acp-media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5016\/9239\/files\/ChatGPT_Image_2026_7_24__11_33_09.png?v=1784865556\" alt=\"3-in-1 automotive circuit probe and relay tester\" loading=\"eager\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"acp-proof\"\u003e\n\u003cdiv\u003e⚡ Check Power \u0026amp; Polarity\u003c\/div\u003e\n\u003cdiv\u003e🔧 Test Fuses \u0026amp; Components\u003c\/div\u003e\n\u003cdiv\u003e🔌 4-Pin \/ 5-Pin Relay Test\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"acp-block red acp-center\"\u003e\n\u003cp class=\"acp-eye\"\u003eLess Guessing. Faster Testing.\u003c\/p\u003e\n\u003ch2\u003eOne Electrical Fault Shouldn't Need A Bench Full Of Tools\u003c\/h2\u003e\n\u003cp class=\"acp-lead\"\u003eKeep the test light, power probe and separate relay tester from slowing down a simple diagnosis.\u003c\/p\u003e\n\u003cdiv class=\"acp-compare\"\u003e\n\u003carticle class=\"acp-card bad\"\u003e\u003ch3\u003eTraditional Setup\u003c\/h3\u003e\n\u003cp\u003eMore tools, tangled leads and repeated switching between tests.\u003c\/p\u003e\u003c\/article\u003e\n\u003carticle class=\"acp-card good\"\u003e\u003ch3\u003e3-in-1 Testing\u003c\/h3\u003e\n\u003cp\u003eMove from checking voltage to fuses, components and relays with one handheld tool.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"acp-block white acp-center\"\u003e\n\u003cp class=\"acp-eye\"\u003eBuilt For The Fuse Box\u003c\/p\u003e\n\u003ch2\u003eSee The Circuit Status At A Glance\u003c\/h2\u003e\n\u003cp class=\"acp-lead\"\u003eThe digital display and polarity indicator lights help identify voltage and positive or negative circuits without constantly reaching for another meter.\u003c\/p\u003e\n\u003cdiv class=\"acp-media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5016\/9239\/files\/ChatGPT_Image_2026_7_24__11_36_56.png?v=1784865557\" alt=\"Digital voltage display and polarity indicators\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"acp-block acp-center\"\u003e\n\u003cp class=\"acp-eye\"\u003eThree Jobs. One Tool.\u003c\/p\u003e\n\u003ch2\u003eFind The Problem Without Replacing Good Parts\u003c\/h2\u003e\n\u003cdiv class=\"acp-grid\"\u003e\n\u003carticle class=\"acp-card\"\u003e\u003cdiv class=\"acp-icon\"\u003e📟\u003c\/div\u003e\n\u003ch3\u003eRead Circuit Voltage\u003c\/h3\u003e\n\u003cp\u003eView the electrical reading directly on the built-in digital display.\u003c\/p\u003e\u003c\/article\u003e\n\u003carticle class=\"acp-card\"\u003e\u003cdiv class=\"acp-icon\"\u003e💡\u003c\/div\u003e\n\u003ch3\u003eCheck Fuses Faster\u003c\/h3\u003e\n\u003cp\u003eProbe both fuse test points to quickly help identify a blown fuse.\u003c\/p\u003e\u003c\/article\u003e\n\u003carticle class=\"acp-card\"\u003e\u003cdiv class=\"acp-icon\"\u003e🔌\u003c\/div\u003e\n\u003ch3\u003eTest Common Relays\u003c\/h3\u003e\n\u003cp\u003eUse the integrated 4-pin and 5-pin positions to check compatible automotive relays.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"acp-action\"\u003e\n\u003ch3\u003ePower The Component. Confirm The Fault.\u003c\/h3\u003e\n\u003cp\u003eThe positive\/negative switch and auxiliary ground lead help test compatible low-voltage components such as lights, horns and motors.\u003c\/p\u003e\n\u003cdiv class=\"acp-badges\"\u003e\n\u003cspan class=\"acp-badge\"\u003eVehicle Lights\u003c\/span\u003e\u003cspan class=\"acp-badge\"\u003eHorns\u003c\/span\u003e\u003cspan class=\"acp-badge\"\u003eMotors\u003c\/span\u003e\u003cspan class=\"acp-badge\"\u003eElectrical Components\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"acp-block white acp-center\"\u003e\n\u003cp class=\"acp-eye\"\u003eSimple Workflow\u003c\/p\u003e\n\u003ch2\u003eConnect. Probe. Diagnose.\u003c\/h2\u003e\n\u003cdiv class=\"acp-steps\"\u003e\n\u003carticle class=\"acp-step\"\u003e\u003cspan class=\"acp-num\"\u003e1\u003c\/span\u003e\u003ch3\u003eConnect To The Battery\u003c\/h3\u003e\n\u003cp\u003eAttach the red and black clamps to the correct battery terminals.\u003c\/p\u003e\u003c\/article\u003e\n\u003carticle class=\"acp-step\"\u003e\u003cspan class=\"acp-num\"\u003e2\u003c\/span\u003e\u003ch3\u003eProbe The Circuit\u003c\/h3\u003e\n\u003cp\u003eTouch the metal probe to the intended test point and read the display and indicators.\u003c\/p\u003e\u003c\/article\u003e\n\u003carticle class=\"acp-step\"\u003e\u003cspan class=\"acp-num\"\u003e3\u003c\/span\u003e\u003ch3\u003eNarrow Down The Fault\u003c\/h3\u003e\n\u003cp\u003eCheck power, ground, fuses, components or a compatible relay as required.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"acp-media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5016\/9239\/files\/ChatGPT_Image_2026_7_24__11_44_54.png?v=1784865557\" alt=\"How to use the automotive circuit tester\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"acp-block acp-center\"\u003e\n\u003cp class=\"acp-eye\"\u003eMade For Real Garage Problems\u003c\/p\u003e\n\u003ch2\u003eReach For It Whenever The Electrics Stop Working\u003c\/h2\u003e\n\u003cdiv class=\"acp-use\"\u003e\n\u003cspan class=\"acp-pill\"\u003eHeadlights\u003c\/span\u003e\u003cspan class=\"acp-pill\"\u003eFuses\u003c\/span\u003e\u003cspan class=\"acp-pill\"\u003eRelays\u003c\/span\u003e\u003cspan class=\"acp-pill\"\u003eHorns\u003c\/span\u003e\u003cspan class=\"acp-pill\"\u003eMotors\u003c\/span\u003e\u003cspan class=\"acp-pill\"\u003ePower \u0026amp; Ground\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"acp-block white acp-center\"\u003e\n\u003cp class=\"acp-eye\"\u003eProduct Details\u003c\/p\u003e\n\u003ch2\u003eEverything You Need In One Hand\u003c\/h2\u003e\n\u003ctable class=\"acp-spec\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTool Type\u003c\/th\u003e\n\u003ctd\u003eAutomotive Circuit Probe \u0026amp; Relay Tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003eBuilt-In Digital Readout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePolarity Feedback\u003c\/th\u003e\n\u003ctd\u003ePositive \/ Negative Indicator Lights\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRelay Positions\u003c\/th\u003e\n\u003ctd\u003e4-Pin \u0026amp; 5-Pin Compatible Relay Testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Connection\u003c\/th\u003e\n\u003ctd\u003eRed \u0026amp; Black Battery Clamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdditional Lead\u003c\/th\u003e\n\u003ctd\u003eAuxiliary Ground Lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Includes\u003c\/th\u003e\n\u003ctd\u003eMain Tester, Battery Lead \u0026amp; Clamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv class=\"acp-alert\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Verify the supported voltage, current limit and vehicle compatibility in the supplied manual before use. Never apply power to an unknown circuit, control module, airbag circuit or other sensitive electronics unless the manufacturer explicitly permits it. Not for household AC mains.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"acp-block acp-center\"\u003e\n\u003cp class=\"acp-eye\"\u003eQuestions \u0026amp; Answers\u003c\/p\u003e\n\u003ch2\u003eGood To Know\u003c\/h2\u003e\n\u003cdiv class=\"acp-faq\"\u003e\n\u003cdetails open\u003e\u003csummary\u003eDoes it completely replace a multimeter?\u003c\/summary\u003e\u003cp\u003eNo. It combines several common automotive troubleshooting functions, but advanced electrical diagnosis may still require a professional multimeter or scan tool.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan it test fuses without removing them?\u003c\/summary\u003e\u003cp\u003eMany automotive blade fuses have exposed test points. Touching both sides can help determine whether power passes through the fuse.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan it test every relay?\u003c\/summary\u003e\u003cp\u003eNo. Use only compatible automotive relays that match the tester's supported 4-pin or 5-pin configuration and follow the included instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it suitable for beginners?\u003c\/summary\u003e\u003cp\u003eThe integrated display and indicators simplify common checks, but users should still understand basic automotive electrical safety and consult the vehicle service information.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"acp-final\"\u003e\n\u003ch2\u003eFind The Fault Faster ⚡\u003c\/h2\u003e\n\u003cp\u003eSpend less time switching tools and more time getting the electrical problem solved.\u003c\/p\u003e\n\u003ca href=\"#AddToCart\" class=\"acp-btn\"\u003eGET YOUR 3-IN-1 TESTER →\u003c\/a\u003e\n\u003cp class=\"acp-micro\"\u003eCircuit probe • Fuse checks • Compatible 4-pin \/ 5-pin relay testing\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Ayp","offers":[{"title":"Default Title","offer_id":48048995991703,"sku":"NC02012607241290-继电器","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5016\/9239\/files\/ChatGPT_Image_2026_7_24__11_30_21.png?v=1784865535","url":"https:\/\/thenuvaro.com\/products\/3-in-1-automotive-circuit-probe-fuse-relay-tester-tool","provider":"thenuvaro.com","version":"1.0","type":"link"}