Modern automotive alternators have a voltage regulator built into them. Typical car alternators generate the field using a DC current through slip rings. The field current is much smaller than the ...

An alternator is a generator that produces the electricity stored in a vehicle’s 12-volt battery and powers the starter motor for the engine and the various computers, lights, power windows and locks, ...

If your car or truck won’t hold a charge, or if you’re having signs electrical gremlins like dimming headlights, you probably need a new alternator. “If you keep a vehicle over 100,000 miles, chances ...

Your car’s alternator is the component responsible for charging the battery, which also acts as the source of electricity while the engine is running. If this vital system stops working, the car’s ...

The battery is often the first thing that comes to mind when people think about what powers a car's electrical system. After all, batteries are what supply power to most of our devices. However, ...

The alternator and serpentine belt are part of the same system in your car. But does that mean you should replace the belt when you're replacing the alternator?

Owning a car might be the biggest, and worst, waiting game on the planet. Every single day that you step into the driver’s seat and wonder, “What might go wrong?” We’re not just talking rust buckets, ...