Cordless Automotive Relay Tester

This is an easy to use automotive 12v Relay Tester It is powered by the vehicle's battery and can quickly test whether a relay is. Relays are everywhere in your car From the lights to the locks But what if one stops working well to sort out the problem you.

A Simple Relay Tester that Will Easily and Quickly Test Most 12 and 24 Volt DC Automotive Relays Tests relays by simply. Newer tool from VDIAGTOOL to trace wiring and find open and short circuits Makes some automotive wiring troubleshooting.