For the most part, it’s simple. Your car or truck has a battery, it supplies electricity to the bits that need it, and that’s all you care about. Until something goes wrong or you want to do something ...

Do not disconnect the positive (+) battery cable first! A slip of the wrench here creates a direct short to ground. Think instantaneous arc welder. The negative () cable is the ground cable; it is ...

Swapping a car battery might seem like one of those basic maintenance tasks you can do blindfolded until sparks start flying, your stereo forgets who you are, and your car throws a tantrum. Most ...