Upgrading to a high-output alternator can transform your vehicle’s performance, especially if you run powerful audio systems or extra electronics. The right alternator size ensures stable voltage, ...

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 ...

Disconnecting the battery while the engine is running isn't a valid test for alternator function and may damage sensitive electronic parts. Instead, use a common voltmeter and the following test ...

Classic Mustangs had marginal charging systems when they were new with amperage output ratings ranging from 38-65 amps. Most remanufactured Autolite and Motorcraft 1G alternators are 65 amps these ...

Production cars began using alternators in the 1960s. As part of the electrical system, alternators made it possible for cars to use higher voltage, and led the way to the modern car charging system.

It’s cold. It’s dark. It’s raining. Your reach down and flip on the fog lights. They help but not that much. So you power up the light bar. Yup! That’s the ticket. The stereo is cranked up and life is ...