{"product_id":"12v-automotive-relay-tester-4-5-pin-led-indicator","title":"12V Automotive Relay Tester – 4 \u0026 5 Pin LED Indicator","description":"\n\u003ch2\u003eUniversal 12V Automotive Relay Tester with LED Indicator\u003c\/h2\u003e\n\u003cp\u003eTake the guesswork out of diagnosing electrical faults in your vehicle. This compact automotive relay tester (model CNBJ-707) connects directly to your 12V car battery and performs a thorough go\/no-go check on the most common 4-pin and 5-pin automotive relays — giving you an instant GREEN or RED LED result in seconds.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This Relay Tester\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick Pass\/Fail Results:\u003c\/strong\u003e GREEN LED = relay passed; RED LED = relay failed or pin mismatch. No guessing, no multimeter math.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupports 4-Pin \u0026amp; 5-Pin Relays:\u003c\/strong\u003e A simple selector switch lets you test either relay type across three receptacle sockets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10-Cycle Contact Test:\u003c\/strong\u003e The tester automatically opens and closes the relay 10 times to verify contact closure speed, opening time, and overall consistency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Battery Power:\u003c\/strong\u003e Powered by your car's existing 12V battery (11V–15V range) via colour-coded alligator clips — no separate power source needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Power Indicator:\u003c\/strong\u003e The unit lights RED when powered on so you always know it's ready to test.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Slim enough to toss in your glovebox or tool bag for roadside or workshop use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eClip the \u003cstrong\u003eblack\u003c\/strong\u003e alligator lead to the battery's negative terminal and the \u003cstrong\u003ered\u003c\/strong\u003e lead to the positive terminal. The LED will illuminate RED to confirm power.\u003c\/li\u003e\n  \u003cli\u003eIdentify your relay type (4-pin or 5-pin) and set the selector switch accordingly.\u003c\/li\u003e\n  \u003cli\u003ePlug the relay into one of the three receptacle sockets on the tester.\u003c\/li\u003e\n  \u003cli\u003ePress the \u003cstrong\u003eTEST\u003c\/strong\u003e button.\u003c\/li\u003e\n  \u003cli\u003eThe tester verifies pin configuration, cycles the relay contacts 10 times, and checks consistency. \u003cstrong\u003eGREEN LED\u003c\/strong\u003e = pass; \u003cstrong\u003eRED LED\u003c\/strong\u003e = fail.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the alligator clips and remove the relay when done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSpecifications \u0026amp; Attention Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible voltage: \u003cstrong\u003e11V – 15V\u003c\/strong\u003e (standard 12V automotive battery)\u003c\/li\u003e\n  \u003cli\u003eIdeal for relays with coil resistance \u003cstrong\u003eabove 20 ohms\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eTests 4-pin and 5-pin automotive relay configurations\u003c\/li\u003e\n  \u003cli\u003eLED indicators: RED (power on \/ fail), GREEN (pass)\u003c\/li\u003e\n  \u003cli\u003eNo batteries required — powered directly from the vehicle battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Car Relay Tester (CNBJ-707)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fueleconomy.gov\/feg\/drive.shtml\" target=\"_blank\" rel=\"noopener\"\u003eFuelEconomy.gov driving efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which relay types does this automotive relay tester support?\u003c\/h4\u003e\n\u003cp\u003eA: The CNBJ-707 relay tester supports the most common 4-pin and 5-pin automotive relays. A selector switch on the unit lets you choose the correct configuration before plugging in and testing your relay.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the relay tester need its own batteries or power supply?\u003c\/h4\u003e\n\u003cp\u003eA: No separate power supply is needed. The tester draws power directly from your vehicle's 12V car battery (operating range 11V–15V) through the included colour-coded alligator clips, making it ready to use anywhere your car is parked.\u003c\/p\u003e\n\u003ch4\u003eQ: What do the LED indicator colours mean on this relay tester?\u003c\/h4\u003e\n\u003cp\u003eA: When connected to the battery, the LED lights RED to show the unit is powered and ready. After pressing the TEST button, a \u003cstrong\u003eGREEN LED\u003c\/strong\u003e indicates the relay passed all checks (pin configuration, contact timing, and consistency). A \u003cstrong\u003eRED LED\u003c\/strong\u003e indicates the relay has failed one or more checks or has an unrecognised pin layout.\u003c\/p\u003e\n\u003ch4\u003eQ: What coil resistance is recommended for accurate relay testing?\u003c\/h4\u003e\n\u003cp\u003eA: For best results, use this tester with automotive relays that have a coil resistance of 20 ohms or higher. Relays with very low coil resistance may not produce accurate go\/no-go results.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which relay types does this automotive relay tester support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The CNBJ-707 relay tester supports the most common 4-pin and 5-pin automotive relays. A selector switch on the unit lets you choose the correct configuration before plugging in and testing your relay.\"}}, {\"@type\": \"Question\", \"name\": \"Does the relay tester need its own batteries or power supply?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No separate power supply is needed. The tester draws power directly from your vehicle's 12V car battery (operating range 11V–15V) through the included colour-coded alligator clips, making it ready to use anywhere your car is parked.\"}}, {\"@type\": \"Question\", \"name\": \"What do the LED indicator colours mean on this relay tester?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"When connected to the battery, the LED lights RED to show the unit is powered and ready. After pressing the TEST button, a GREEN LED indicates the relay passed all checks (pin configuration, contact timing, and consistency). A RED LED indicates the relay has failed one or more checks or has an unrecognised pin layout.\"}}, {\"@type\": \"Question\", \"name\": \"What coil resistance is recommended for accurate relay testing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For best results, use this tester with automotive relays that have a coil resistance of 20 ohms or higher. Relays with very low coil resistance may not produce accurate go\/no-go results.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"12V Automotive Relay Tester – 4 \u0026 5 Pin LED Indicator\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/12v-automotive-relay-tester-4-5-pin-led-indicator\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"Red","offer_id":44129789411415,"sku":"14:10","price":24.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S8f545a3db98a429c8f923bbb326ee930m.webp?v=1786390629","url":"https:\/\/axlcustomersupport.com\/products\/12v-automotive-relay-tester-4-5-pin-led-indicator","provider":"Axl","version":"1.0","type":"link"}