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 ...

The alternator is responsible for charging the car battery and powering all the car's onboard network consumers. If it fails or is unstable, the battery will either not be charged or start discharging ...

Q Could you explain how an alternator works and how it should be tested? I’ve had problems with my ’88 Mustang’s battery going down. I replaced the battery, but that didn’t help. The problem seems ...

Over the past few years, we have run across some teams who, for the goal of attaining maximum power, chose to run without an alternator. We started thinking about that and decided to see if there were ...

Q: Could you explain how an alternator works and how it should be tested? A: Vehicles built since the 1970s employ a belt-driven AC generator (alternator) to produce electrical power for all needed ...

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 ...