If you're a follower of the "How It Works" series, you've been learning the principles of what makes a car run. You've boned up on the four-stroke cycle, valvetrains, cooling, lubrication, and ...

If you like working on or modifying cars, sooner or later you'll beconfronted with the necessity of understanding a vehicle's electrical system in order to troubleshoot a problem, rewire a circuit or ...