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 ...

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.

You can test your alternator, your battery, circuits, fuses, and all kinds of things with one. The problem is, people get confused on how to use a multimeter, and that's where I'm hoping to help.

Car batteries don't just die. Something is sucking up all its power. A parasitic draw test helps you find out which part is to blame.

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 ...

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 ...