Relay Tester 12V 4 and 5 pin Automotive Car Relay Tester, Quickly Diagnose Faulty Relays, Compact, Cordless, Battery-Free，Universal Auto Relay Test Kit for Cars Trucks

Special Features

【𝗙𝗮𝘀𝘁 𝗥𝗲𝗹𝗮𝘆 𝗗𝗶𝗮𝗴𝗻𝗼𝘀𝗶𝘀—𝗞𝗻𝗼𝘄 𝗪𝗵𝗮𝘁'𝘀 𝗪𝗿𝗼𝗻𝗴 𝗶𝗻 𝗦𝗲𝗰𝗼𝗻𝗱𝘀】- No more guessing or swapping parts at random. This tester pinpoints faulty relays fast, helping you avoid wasted time and unnecessary repairs—saving both time and money
【𝗡𝗼 𝗖𝗮𝗿 𝗣𝗼𝘄𝗲𝗿 𝗼𝗿 𝗕𝗮𝘁𝘁𝗲𝗿𝗶𝗲𝘀 𝗡𝗲𝗲𝗱𝗲𝗱 — 𝗝𝘂𝘀𝘁 𝗣𝗹𝘂𝗴 𝗶𝗻𝘁𝗼 𝗬𝗼𝘂𝗿 𝗣𝗵𝗼𝗻𝗲 𝗖𝗵𝗮𝗿𝗴𝗲𝗿】- Forget hunting for the car's positive and negative terminals or dealing with risky wiring. This tester runs safely on any USB power source—your phone charger, a power bank, anything you already carry. No batteries to replace, no under-hood hassle. Just plug in, test your relay, and go. Safe 12V operation makes it as simple and stress-free as using a cellphone
【𝗘𝗮𝘀𝘆, 𝗡𝗼-𝗪𝗶𝗿𝗶𝗻𝗴 𝗧𝗲𝘀𝘁 — 𝗚𝗿𝗲𝗲𝗻 = 𝗚𝗼𝗼𝗱, 𝗥𝗲𝗱 = 𝗕𝗮𝗱】- Just plug it in and read the lights. No messy wires, no guessing, and no risk of connecting anything wrong. Clear pass/fail results in seconds so you can spot issues fast—anytime, anywhere
【𝗖𝗼𝗺𝗽𝗮𝘁𝗶𝗯𝗹𝗲 𝗪𝗶𝘁𝗵 𝗠𝗼𝗿𝗲 𝗖𝗮𝗿𝘀 — 𝗘𝘃𝗲𝗻 𝗧𝗼𝘆𝗼𝘁𝗮, 𝗚𝗠𝗖 & 𝗢𝘁𝗵𝗲𝗿 𝗪𝗶𝗱𝗲-𝗙𝗼𝗼𝘁 𝗥𝗲𝗹𝗮𝘆𝘀】- Most testers fail on wide-slot relays, but ours was redesigned from real customer complaints. The larger, open slots handle Toyota, Hyundai, GMC, WPW, Buick and more—models other testers simply can't support. If you've ever had a tester that “didn't fit,” this is the one that finally does
【𝗕𝘂𝗶𝗹𝘁-𝗜𝗻 𝗙𝗹𝗮𝘀𝗵𝗹𝗶𝗴𝗵𝘁 𝗳𝗼𝗿 𝗡𝗶𝗴𝗵𝘁𝘁𝗶𝗺𝗲 𝗥𝗲𝗽𝗮𝗶𝗿𝘀】- Stuck in the dark? Just plug into a power bank and the built-in light lets you see everything clearly—so you can spot a bad relay fast, even on the side of the road or walking to your car at night
【𝗗𝗶𝗮𝗴𝗻𝗼𝘀𝗲 𝗣𝗿𝗼𝗯𝗹𝗲𝗺𝘀 𝗕𝗲𝗳𝗼𝗿𝗲 𝗧𝗵𝗲𝘆 𝗟𝗲𝗮𝘃𝗲 𝗬𝗼𝘂 𝗦𝘁𝗿𝗮𝗻𝗱𝗲𝗱】- Know something's wrong before your car refuses to start. This tester lets you check relays in seconds—right in your driveway—so you can fix issues early, avoid surprise breakdowns, and drive with confidence every day
【𝗞𝗻𝗼𝘄 𝗪𝗵𝗮𝘁'𝘀 𝗪𝗿𝗼𝗻𝗴 𝗕𝗲𝗳𝗼𝗿𝗲 𝘁𝗵𝗲 𝗦𝗵𝗼𝗽 𝗗𝗼𝗲𝘀】- No more guessing or paying for “diagnostics.” This tester lets you confirm a bad relay in minutes—before you even step into a repair shop. Walk in knowing the problem and avoid unnecessary repairs or upsells
【𝗦𝗺𝗮𝗹𝗹 𝗘𝗻𝗼𝘂𝗴𝗵 𝘁𝗼 𝗞𝗲𝗲𝗽 𝗶𝗻 𝗬𝗼𝘂𝗿 𝗚𝗹𝗼𝘃𝗲 𝗕𝗼𝘅】- Compact, lightweight, and USB-powered—you can keep it in your glove box or center console. When something feels “off,” pull over and test the relay on the spot instead of waiting for a tow truck

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Relay Tester 12V 4 and 5 pin Automotive Car Relay Tester, Quickly Diagnose Faulty Relays, Compact, Cordless, Battery-Free，Universal Auto Relay Test Kit for Cars Trucks

Special Features

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