Your car won't start for the second day in a row. You ask your neighbor for a jump (again) and head off to work — late, of course. You come to the conclusion that it has to be the battery or the ...

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 ...

For the most part, it’s simple. Your car or truck has a battery, it supplies electricity to the bits that need it, and that’s all you care about. Until something goes wrong or you want to do something ...

For most readers, the electrical system is completely ignored because the factory engineers have already built in a safety buffer to prevent problems with aftermarket accessories such as inverters, ...

What are the signs of a failing alternator? How do I differentiate between a battery problem and an alternator problem? Every car has a red “alternator” or car battery symbol in the instrument panel ...

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 ...

Without a charged battery, your vehicle won't get you anywhere. Learn all about how to charge a battery so you don't get stranded.

A couple of weeks ago, I continued the quest to find the problem with the intermittent parasite drain on the Jaguar. I forgot ...