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

A multimeter is a powerful tool for measuring electrical values such as voltage, resistance, and current, commonly used in ...

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.

When your car doesn’t start, often the battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best practice is ...

Automotive circuits will use either, depending on the circuit. To test the battery, you’ll want to use the DC voltage setting. This will be illustrated by a ’V’ with a straight line beneath it.

Learning how to test glow plugs ensures your diesel engine remains reliable and efficient. Here is how to test glow plugs.

The unit of measure for the diode test is [volts, dc]. To perform a diode test using a benchtop multimeter, set the multimeter to the diode test mode by pressing the button with the diode symbol.

How do you know if a resistor is correctly restricting the flow of electricity? Using a multimeter is an obvious answer. However, there is more to it than meets the eye. This article will explain ...

A multimeter is an electronic measuring instrument that is used to gauge volts, amps, and resistance from an electrical source. The most common automotive application for a multimeter is to test the ...