Electronic Specialties Relay Buddy (ESI-190)

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Relay Buddy 190 – Quick Off-the-Car Relay TesterAutomatic Pass/Fail | 4 & 5-Pin Support | 12V Operation The Relay Buddy 190 is a fast and reliable go/no-go tester for the most comm on 4 and 5-pin automotive relays. Designed for use off the vehicle, it checks the relay coil and switch contacts for proper operation and consistency. Just plug in the relay, press the button, and Relay Buddy runs multiple test cycles to confirm health. If the relay fails even one cycle, the RED light turns on. A GREEN light confirms the relay is functioning properly. How It Works:Remove relay from vehiclePlug into Relay BuddyPress the test buttonLED indicates pass (green) or fail (red) after multiple cycles Key Features Tests standard 4-pin and 5-pin relays Checks both relay coil and contact side Automatic multi-cycle test with real-time performance check Green = Good | Red = Bad Detects excessive resistance in switch contacts Powered by vehicle’s 12V battery Compact and easy to use, ideal for quick bench testing Show more