We're not completely certain where the first key-operated ignition switches appeared. However, we are certain they've made the world safer for our automobiles. Think of the ignition switch as your ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader who ran into trouble after installing a new ignition switch. The Car Doctor answers a question from a reader who ran into ...

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 ...