{"product_id":"12v-universal-automotive-relay-tester-4-pin-5-pin-circuit-detector-1","title":"12V Universal Automotive Relay Tester – 4-Pin \u0026 5-Pin Detector","description":"\n\u003ch2\u003eTest \u0026amp; Diagnose Automotive Relays in Seconds\u003c\/h2\u003e\n\u003cp\u003eStop guessing and start diagnosing with confidence. The \u003cstrong\u003e12V Universal Automotive Relay Tester\u003c\/strong\u003e is a must-have tool for mechanics, auto enthusiasts, and DIY car repairers. Compatible with both \u003cstrong\u003e4-pin and 5-pin relays\u003c\/strong\u003e, this compact circuit detector quickly identifies faulty relays without removing them from the vehicle — saving you time and costly trips to the shop.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're troubleshooting a dead starter relay, a blown horn relay, or a malfunctioning fuel pump relay, this tester gives you instant, reliable results with minimal effort.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Works with standard 12V 4-pin and 5-pin automotive relays found in most cars, trucks, and SUVs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Clamp Included:\u003c\/strong\u003e Easily connects to your vehicle's battery for a direct power source — no additional power supply needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCircuit Detection:\u003c\/strong\u003e Quickly identifies open, short, or faulty relay circuits so you can pinpoint the problem fast\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Lightweight design fits easily in your toolbox, glove box, or workshop drawer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Use:\u003c\/strong\u003e No technical expertise required — simply connect, insert the relay, and read the result\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand the demands of everyday automotive diagnostics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Ideal for testing relays in starter systems, fuel pumps, horns, headlights, fans, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 12V Universal Relay Tester (4-Pin \u0026amp; 5-Pin)\u003c\/li\u003e\n  \u003cli\u003e1 × Battery Clamp Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Battery not included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/displayport-to-hdmi-cable-4k-dp-adapter-pc-tv-projector-monitor\"\u003e1.8M DisplayPort to HDMI Cable 4K DP Adapter – PC TV Monitor\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hdmi-splitter-cable-1-in-2-out-1080p-3d-dual-display\"\u003e1-In-2-Out HDMI Splitter Cable 1080P 3D – TV Monitor Projector\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Compliance\u003c\/h3\u003e\n\u003cp\u003eFor safe automotive electrical work, always follow best practices when working around vehicle batteries and electrical systems. Learn more about automotive electrical safety from the U.S. Occupational Safety and Health Administration (OSHA).\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Pico_Technology\" target=\"_blank\" rel=\"noopener\"\u003ePico Technology\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of relays does this automotive relay tester support?\u003c\/h4\u003e\n\u003cp\u003eA: This universal relay tester supports standard 12V \u003cstrong\u003e4-pin and 5-pin automotive relays\u003c\/strong\u003e, which are the most common types found in cars, trucks, and SUVs. It is compatible with relays used in starter systems, fuel pumps, headlights, horns, cooling fans, and more.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need a separate power source to use this relay tester?\u003c\/h4\u003e\n\u003cp\u003eA: No external power source or separate battery is required. The tester comes with a \u003cstrong\u003ebattery clamp cable\u003c\/strong\u003e that connects directly to your vehicle's 12V battery, making it convenient to use right at the vehicle without any additional equipment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can a beginner use this automotive relay tester effectively?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This \u003cstrong\u003eautomotive circuit detector\u003c\/strong\u003e is designed for ease of use — simply attach the battery clamps, insert the relay into the tester socket, and the tester will immediately indicate whether the relay is functioning properly. No advanced technical knowledge is needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the country of origin for this relay tester?\u003c\/h4\u003e\n\u003cp\u003eA: This product is made in \u003cstrong\u003eMainland China\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of relays does this automotive relay tester support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This universal relay tester supports standard 12V 4-pin and 5-pin automotive relays, which are the most common types found in cars, trucks, and SUVs. It is compatible with relays used in starter systems, fuel pumps, headlights, horns, cooling fans, and more.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need a separate power source to use this relay tester?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No external power source or separate battery is required. The tester comes with a battery clamp cable that connects directly to your vehicle's 12V battery, making it convenient to use right at the vehicle without any additional equipment.\"}}, {\"@type\": \"Question\", \"name\": \"Can a beginner use this automotive relay tester effectively?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. This automotive circuit detector is designed for ease of use — simply attach the battery clamps, insert the relay into the tester socket, and the tester will immediately indicate whether the relay is functioning properly. No advanced technical knowledge is needed.\"}}, {\"@type\": \"Question\", \"name\": \"What is the country of origin for this relay tester?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This product is made in Mainland China.\"}}]}\u003c\/script\u003e","brand":"Peaceful Pleasures Health and Wellness","offers":[{"title":"Red","offer_id":53494038855993,"sku":"1005010055809954-Red","price":21.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/3689\/5801\/files\/S9a696131bd2e4f1dacbe3cb436a6cd9e8_0b9c63b8-6ce2-4a49-821b-eb56bc4236df.webp?v=1781988026","url":"https:\/\/peacefulpleasureswellness.com\/products\/12v-universal-automotive-relay-tester-4-pin-5-pin-circuit-detector-1","provider":"Peaceful Pleasures Health and Wellness","version":"1.0","type":"link"}