That model Ranger does, indeed, have what’s called a variable-voltage or `smart’ alternator. The idea is that when the car’s main battery is fully charged, the alternator reduces its workload to save ...

Regardless of a vehicle's application, alternators face a challenge in their job of delivering required amperage output both in terms of performance and durability. Heat, electrical draw, contaminants ...

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 ...