The battery stores the electrical current that your vehicle uses to start and passes electricity along to the parts of your vehicle that need it to function, such as the ignition system, lights, radio ...

Have you ever wondered how a car engine starts? Or how the air conditioner turns on when the car is switched off? The answer to these questions is simple: the battery plays an essential part in the ...

Four Wheeler reader Allan asks:I have a 1985 and 1986 CJ-7 both set up almost exactly the same with the following exceptions: the 1985 has dual batteries with Kirkland batteries (6 months old) and a ...