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 ...

GM 10SI and integrally regulated alternators provide faster recovery for discharged batteries than separately regulated alternators. They bolt onto the same mounting brackets. Prior to 1969, most GM ...

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 ...