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 ...

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 ...

Your alternator quietly does more than keep the battery topped up. It turns the engine’s rotation into a steady flow of electrical power that keeps every modern system in your car alive, from fuel ...

A common problem exists when driving automotive alternators via motors. In the process of attempting to regulate the charging voltage of a low battery, the alternator shaft torque usually exceeds the ...

When it comes to building hot rods there's always a few gremlins that sneak into the mix along the way. One frustrating malady is a malfunctioning or inadequate charging system. Having to jump-start ...