An ignition coil takes voltage from the battery and multiplies it to create a spark at the spark plugs, which in turn ignites the engine. Cars have been using some form of the coil ignition system for ...

Car batteries don’t just die. Well, they will if you leave them for long enough. but not just over the course of a few hours or even just a day or two. Finding your car has a dead battery after it was ...

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 ...

We may receive a commission on purchases made from links. There's nothing more annoying than checking the time on your wall clock and realizing the battery's already dead, or plopping down on your ...