Most of us take the ignition system for granted, ignoring it when it's working and treating it to plugs, points, condensor and rotor when it fails. Considering the job ignition systems are assigned, ...

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 ...

Begin by connecting pin 85 of the relay to a clean ground point on the vehicle chassis or the negative terminal of the battery. Then connect pin 86 to the ignition switch wire — this is the wire that ...