This is why we call car batteries 12-Volt batteries. Batteries rely on the alternator to stay charged; problems with your alternator can lead to a dead battery.

What Is a Multimeter? 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 ...

A failing alternator can leave you stranded on the side of the road. Here’s how to make sure yours is working properly, with tips from an expert.