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 ...

It doesn’t matter whether it’s in the deep chill of winter or the heat of summer, on a work truck, emergency vehicle, or personal rig—the last thing a driver wants to see or hear are dim headlights ...

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 ...

In the mid '70s, GM began offering its SI-series (Systems Integrated) alternators, which not only delivered more amperage but did away with the externally mounted voltage regulator and its messy ...

David Waits owns a 1999 Toyota Land Cruiser with 245,000 miles on it. In all those years — and miles driven — Waits, owner of Japanese Automotive Service in Hilliard, Ohio, says he’s never had a ...