Battery and charging system testing is another popular use for the multimeter. Batteries should measure 12.6 volts when at rest if fully charged. If not, you may need to isolate your batteries ...

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 ...

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 ...

Adafruit's video guides you through the basics of using a multimeter, including what those numbers on the display actually mean, how to pick the right voltage, and how to replace a fuse when you ...

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

A failing battery might seem straight forward to spot, but a failing alternator can be a little more difficult to identify without knowing its voltage output.

Do you hear static on your radio when you turn on certain devices in your car? Use a simple digital multimeter to determine the source and repair it.