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.

How to Test a Computer Power Supply Using a Voltmeter. The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's ...

This video covers the essential steps to properly test a car's alternator and diagnose common alternator issues. The guide demonstrates how to check the voltage regulator, diode rectifier, stator, and ...

Multimeters can be a useful tool for both novices and professionals to limit their mistakes in automotive repair. Here's how to properly use one.

If you have a box of old bulbs in unknown conditions, use your multimeter to test which ones are good and which ones are blown. Confirm your meter is set in continuity test mode (see step 2) and ...

The way to check for a battery drawing is by using a multimeter set to milliamps inline with the negative battery cable disconnected from the battery with the vehicle keyed off (on a fully charged ...

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