The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially a small generator that converts mechanical energy into electricity, bolted to the ...

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This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (ISeeCars) – Your alternator is one of the ...

While most DIY-ers out there don't necessarily have a car full of expensive electronic devices to run, we do, however, still need a properly charged battery for cold-cranking in the winter months. And ...