Editor's note: The modern alternator is a very sophisticated piece of equipment which has virtually replaced the generator because of its lighter weight, higher efficiency, longer life and lower ...

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 ...

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 ...

We all expect our car to start every time we turn the key. And it usually will, as long as there’s enough electricity stored in the battery to do the job. That’s especially important when the ...