{"product_id":"jastind-dc-test-light-automotive-circuit-tester-3-65v-140-spring-lead-lcd-backlit-computer-safe","title":"JASTIND DC Test Light Automotive Circuit Tester 3-65V, 140\" Spring Lead — LCD Backlit \u0026 Computer-Safe","description":"\u003cb\u003eJASTIND Heavy Duty 3-65V DC Test Light is a rugged, computer-safe automotive circuit tester with a 140-inch PU spring lead, LCD backlit meter, and bidirectional voltage polarity detection.\u003c\/b\u003e\n\n\u003cp\u003eThis compact diagnostic tool is built for mechanics, electricians, and car owners who need a precise, durable way to verify low-voltage DC circuits from 3 to 65 volts. It combines a sharp stainless steel probe, a clear digital display, and a long, flexible spring wire so you can reach deep connectors and test sensitive electronics without risking damage from excessive current draw.\u003c\/p\u003e\n\n\u003ch3\u003eHow accurate and easy to read is the display?\u003c\/h3\u003e\n\u003cp\u003eThe tester features a high-contrast blue backlit LCD that reports voltage to 0.1V with ±0.2V accuracy, making readings simple to interpret day or night. The low-current digital design minimizes load on circuits compared with incandescent test lights.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLCD backlight for low-light environments\u003c\/li\u003e\n  \u003cli\u003eResolution to 0.1V and ±0.2V accuracy\u003c\/li\u003e\n  \u003cli\u003eLow current draw to protect electronic modules\u003c\/li\u003e\n  \u003cli\u003eClear polarity indication for quick diagnosis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this on modern vehicle electronics and delicate circuits?\u003c\/h3\u003e\n\u003cp\u003eYes — the JASTIND tester is computer-safe and draws far less current than traditional bulb testers, reducing risk to ECUs, sensors, and other sensitive components. The insulated rubber tip and protective acetate fiber body add safety when probing live circuits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComputer-safe design to protect vehicle electronics\u003c\/li\u003e\n  \u003cli\u003eInsulated probe tip reduces accidental shorts\u003c\/li\u003e\n  \u003cli\u003eDurable acetate fiber housing resists wear\u003c\/li\u003e\n  \u003cli\u003eSharp probe for piercing wire insulation when needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the cable and clamps practical for workshop use?\u003c\/h3\u003e\n\u003cp\u003eThe tester includes a 140\" PU spring wire that is longer and lighter than standard cords, offering flexibility and resistance to heat and oil. A large alligator clip enables one-handed grounding or positive attachment and convenient storage when not in use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e140-inch PU spring lead for extended reach\u003c\/li\u003e\n  \u003cli\u003eHeat- and oil-resistant construction for garage environments\u003c\/li\u003e\n  \u003cli\u003eLarge alligator clip for secure, single-hand operation\u003c\/li\u003e\n  \u003cli\u003eCompact form factor for easy storage in toolboxes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability features should I expect from this tester?\u003c\/h3\u003e\n\u003cp\u003eDesigned for repeated use, this unit uses a tough acetate fiber body and stainless steel probe to resist breakage and corrosion. JASTIND backs the product with a one-year quality assurance policy and responsive support for troubleshooting and warranty questions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAcetate fiber body for toughness and longevity\u003c\/li\u003e\n  \u003cli\u003eStainless steel probe resists bending and rust\u003c\/li\u003e\n  \u003cli\u003eRubber insulation for user safety during probing\u003c\/li\u003e\n  \u003cli\u003eOne-year quality assurance and customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The JASTIND Heavy Duty 3-65V DC Test Light is ideal for professional mechanics, fleet technicians, hobbyist restorers, and DIY car owners who need reliable, safe diagnostics on 3–65V DC circuits. If you frequently troubleshoot headlights, taillights, fuses, sockets, or wiring harnesses and want a long-reach tester that protects modern vehicle electronics, this tool is designed for your workshop.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What voltage range does this tester support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It measures DC voltages from 3V to 65V, suitable for most automotive and low-voltage circuits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the tester safe for modern vehicle electronics?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The low-current, digital design is computer-safe and minimizes risk to ECUs and sensors.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JASTIND","offers":[{"title":"Default Title","offer_id":55164508406103,"sku":"B07PX16XDX","price":32.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/jastind-front-view.jpg?v=1790352943","url":"https:\/\/britishgarage.co.uk\/products\/jastind-dc-test-light-automotive-circuit-tester-3-65v-140-spring-lead-lcd-backlit-computer-safe","provider":"British Garage","version":"1.0","type":"link"}