Electrical System Tools
JF107 Universal Car Relay Tester 12V 24V Automotive Relay Diagnostic Tool with LED Indicator
Price: $25.34 · Condition: New · Brand: JFIND
The JF107 is a quick go/no-go relay tester designed to check the general health and function of common automotive relays. It connects to a 12V-24V car battery to power the relay coil, then monitors pin configuration, contact closure and opening time, and consistency across the test session. A dual-color LED indicator shows the result: green for a normal relay and red for a faulty one. This tester supports 4 different relay leg types, covering more than 20 types of relays, making it useful for general 12V and 24V relay maintenance and inspection. Its flat design accommodates larger sized relays for full insertion testing and can also support relays with larger pin sizes. To use, connect the alligator clips to the positive and negative terminals of the battery. Insert the relay into the matching jack, selecting the socket for 5-pin relays by pressing the button down, or for 4-pin relays by pressing the button up. Press the TEST key to begin; the tester will open and close the relay 10…