The ignition lock cylinder is a mechanical part where the ignition key is inserted to start a vehicle. It’s mounted inside the ignition switch, the electrical component that locks the ignition and ...

Question: It is becoming increasingly more difficult to turn the key of my 2003 GMC Sierra pickup into the start position. A certified auto technician advised me to have the ignition switch replaced ...

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 ...