Automotive Relay Tester
By Distributed By MCM (72-12980)
MCM Part #72-12980
You Save: $11.36 (81 %)
This automotive relay tester is just as convenient, as it is compact. It has the ability to test functionality of 3 of the most popular styles of automotive relay. This tester also has a switch to alternate between 4 and 5 pin relay mode. The best part of this tester is the fact you will never have to worry about faulty batteries as it is powered off your car's 12V battery.