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

A multimeter and its test leads allow electrical workers to reach into an energized panel, touch live circuit components with the end of the test leads, and capture electrical readings like voltage, ...

Testing the DC voltage output of the power supply using a digital multimeter can help you isolate any potential issues and determine if you have a bad power supply.

What is a multimeter anyway? Multimeters are covered in cryptic symbols and buttons, but don't let that intimidate you. There are three basic functions you'll use most often: measuring voltage ...