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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 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.
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.
Using a multimeter can be daunting to the uninitiated, but they're not magic. Here's a rundown of the basic functions of the device and what they're used for.