{"product_id":"2025-latest-red-relay-tester-12v-general-electronic-automotive-circuit-tester-automotive-maintenance-tool","title":"12V Automotive Relay Tester – 4 \u0026 5 Pin","description":"\u003cp\u003eCheck compatible 4-pin and 5-pin automotive relays with this compact 12V relay tester. Its battery leads, pin selector and TEST button provide a straightforward pass\/fail check of relay switching, with a red\/green LED indicator.\u003c\/p\u003e\u003ch3\u003eCompatibility and specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel identified in the supplier instructions: CNBJ-707.\u003c\/li\u003e\n\u003cli\u003ePower source: 12V vehicle battery within an 11–15V range.\u003c\/li\u003e\n\u003cli\u003eFor common automotive relay pin layouts that match the tester's sockets; not compatible with every relay.\u003c\/li\u003e\n\u003cli\u003eSupplier recommends relay coil resistance above 20 ohms.\u003c\/li\u003e\n\u003cli\u003eThree relay receptacles and a 4PIN\/5PIN selector.\u003c\/li\u003e\n\u003cli\u003eApproximate body dimensions: 11 × 6 × 4.06 cm.\u003c\/li\u003e\n\u003cli\u003eSupplier-listed cable length: approximately 88 cm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow the test works\u003c\/h3\u003e\u003cp\u003eFollow the tester and vehicle manufacturer's instructions. Connect the black clip to the battery's negative terminal and the red clip to its positive terminal. The red LED indicates power-up readiness before a test.\u003c\/p\u003e\u003cp\u003eCheck the relay's pin layout, choose 4PIN or 5PIN, then insert it into the matching socket and press TEST. For a compatible layout, the tester cycles the relay ten times to check contact opening, closing and consistency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAfter testing:\u003c\/strong\u003e green indicates a pass; red indicates a failed test or an incompatible\/damaged pin configuration. A red result alone does not establish which fault is present. Disconnect the battery leads and remove the relay when finished.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e this is a relay tester, not a general-purpose circuit or battery diagnostic tool. Use only within the specified supply range, not on a 24V system. Keep clips from touching each other and follow appropriate vehicle-battery precautions. If unsure about relay compatibility or battery connections, ask a qualified automotive technician.\u003c\/p\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cp\u003eOne relay tester with attached battery leads and clips. Battery, vehicle and example relays shown are not included.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfdbee1ee6d2d45bb85b4e3e5730999a40.jpg\" alt=\"Relay tester controls, battery clips and supplier-listed dimensions\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd86cf432d2ef4b1c8bda4ecdae6482f0g.jpg\" alt=\"Black battery clip connected to negative and red clip connected to positive\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S052c016f47c54b3b96fd68ffdfd63e7ee.jpg\" alt=\"Red readiness indicator on the powered relay tester before testing\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S41f41ff689444d608ae0eab1933b497et.jpg\" alt=\"Example relay inserted into a matching tester socket\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S61ec520d7fe34155905791be38410008a.jpg\" alt=\"TEST button used to start a relay test with an example relay fitted\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S72714b0f5eef4d65bacc47ed465b7db96.jpg\" alt=\"4-pin and 5-pin selector and example relay pin arrangements\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S231feb1f13de461ab6bb28ce85d32d9bz.jpg\" alt=\"Red and black automotive relay tester with battery clips\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Saf196258afe5482c8ff26642e059c116U.jpg\" alt=\"Supplier diagram showing tester body approximately 11 cm long and 6 cm wide\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se8649c3732b141a480d3563a3f93105eh.jpg\" alt=\"Automotive relay tester front with three sockets, indicator, selector and TEST button\"\u003e\u003c\/p\u003e","brand":"Fit Fur Life","offers":[{"title":"Red","offer_id":65113684640121,"sku":"531989f5-e85d-41dc-ac61-e14eb83b198e","price":34.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/9561\/2281\/files\/73195df991ee456b3468ab6d94eae9bd.jpg?v=1793875053","url":"https:\/\/fitfurlife.shop\/products\/2025-latest-red-relay-tester-12v-general-electronic-automotive-circuit-tester-automotive-maintenance-tool","provider":"Fit Fur Life","version":"1.0","type":"link"}