If your car or truck won’t hold a charge, or if you’re having signs electrical gremlins like dimming headlights, you probably ...

If you've ever wondered how your car's battery stays charged, wonder no more. I cracked open a junkyard alternator and recorded the wonders that lie within in the second installation of our new video ...

Do you own a '69-or-earlier Mopar musclecar? Unless it has already been upgraded, the charging system consists of the old "weak sister" single-field alternator and its accompanying mechanical ...