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 ...

Although your vehicle's battery is essential to its operation, it's also easy to forget about—or at least take for granted—when everything is running smoothly. That, of course, changes when your ...

Unless your vehicle won’t start or you already suspect battery issues, wait at least a few days without driving to test your car battery. Your car’s alternator charges the battery while the vehicle is ...