There are many systems in your vehicle that depend on electrical current in order to run. Your automotive battery is at the heart of this. But you may wonder how your battery can last for years on end without completely discharging. The answer to that is your alternator. Your vehicle's alternator is a basically a small generator that recharges your battery as the engine runs as well as sends power to other electrical systems to power than such as your lights and your radio.
As your engine rotates, it turns your main serpentine belt. There are many different systems…
