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 ...

When you get into your car and turn the key in the ignition, do you ever wonder how your vehicle works to get you to and from your destination? Don't worry if your answer is "no." Most drivers don't ...

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 ...