If your car won’t start, here’s how to get on the road again without relying on a passing traveler with a set of jumper ...

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 ...

When it comes to car problems, nothing is ever convenient. It seems like your vehicle plots the perfect moment to give you grief, and the majority of the time it involves a dead battery. While it’s ...

It’s cold. It’s dark. It’s raining. Your reach down and flip on the fog lights. They help but not that much. So you power up the light bar. Yup! That’s the ticket. The stereo is cranked up and life is ...

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, ...

Imagine driving down the road when a light suddenly appears on the dashboard. For some, it is easy to figure out what the symbol means and what action to take next. But many are unclear on what ...

Got an iPhone 6 or 6s with a draining battery? WSJ's Joanna Stern tells you easy and hard ways to fix the problem now—so you can hold out for the new iPhone models due this fall. (Originally published ...