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.

When your car doesn’t start, often the battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best practice is ...

You can test a continuity or multimeter by touching the probes together and checking for the light or moving needle.

Diagnose dead headlights with our step-by-step troubleshooting guide. Learn to check fuses, bulbs, relays, and wiring—plus upgrade tips for reliable LED replacements.

This video covers the essential steps to properly test a car's alternator and diagnose common alternator issues. The guide ...

Can't you hook up a test light on the positive side of the motor, then the other lead to ground? If the light lights up, you've got power up to the motor.