Consider yourself pressed for time if the battery warning light turns on while you're driving. The red or amber light generally means one of two things: Either your 12-volt battery is weak and on the ...

If it’s less than 14 volts, there’s a nut on the alternator’s B+ terminal that connects to a thick wire that transfers the ...

A car battery is one of the most important parts of any vehicle. It powers the ignition, lights, radio, and many other ...

Thomas has spent two years working in the auto journalism industry, contributing to a UK-based newspaper and writing for Euronewsweek. A full-time writer and lifelong engineering enthusiast, he now ...

You try to turn on your car, and it just won’t start. Maybe the dashboard doesn’t even light up. A likely cause: The 12-volt battery is dead. All cars lose a little battery power when parked. If you ...

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 ...