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 ...

Your car won't start for the second day in a row. You ask your neighbor for a jump (again) and head off to work — late, of course. You come to the conclusion that it has to be the battery or the ...

We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...