Testing relays and their circuits in vehicles doesn’t always require a trip to the bench. With a few simple tools and knowledge, this video shows how to test relays directly in your car using a test ...

For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage.

This month Randy shows us the ins and outs of using a Multimeter to help diagnose Jeep electrical problems. Only in Jp Magazine!

In this article, I’ll show you how to use a multimeter to troubleshoot some basic electronic components, such as resistors.