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 ...

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.

Learn more on how to test a car battery with a Multimeter. Our team of experts prepared the guide on everything you need to know about testing a car battery.

The Harbor Freight MADDOX back-probe kit lets DIYers test automotive sensors safely. Just insert between wire and insulation, ...

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.

This short charging duration will not damage the charger. Use a digital multimeter to test the battery’s voltage. It should reach its nominal voltage after the short charge.

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 ...