ESI Relay Buddy Pro Test Kit.
3 Adapters for testing shielded relays
2 adapters for testing new relay types.
Quick off the car relay tester checks relay coil and switch contacts.
Switch control is loaded to detect excessive resistance.
Automatic test with Green = Good, Red = Bad
Tests the most popular automotive relays.
Suitable for both 4 and 5 pin relays.
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