When we’re attempting to diagnose a charging system failure, it helps to think of the battery’s state of charge (SOC) as a type of checking account. If we overdraw our account by writing one huge ...

Although checking charging voltage at the battery terminals is the most popular method for testing an alternator, a charging voltage test seldom reveals less common problems like open or shorted ...

Find out everything you need to know about the car alternator and how to determine if there's any problem with your alternator. Keep reading for more! There are only a few parts that actually require ...

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 ...