Dear Doctor: Is there any way to check an alternator at home while it is still in the car? The alternator is 2 years old and if the car sits for a week the battery is dead. — James Dear James: ...

One of my customers brought his 1965 Mustang back to me citing a problem with the charging system. He said that after four days, even with a trickle charger on the battery, the system would be low and ...

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

Your car battery has two main functions. One is to supply the current via spark plugs so your car can start. The second function is to supply current to all the electrical systems of your car. If your ...