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

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.

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, ...

To check delivered pressure, you’ll need to access the lamp socket and perform a few easy measurements using an inexpensive multimeter and a couple of T-pins.