How does the ignition switch work?
How does the ignition switch work? Once the ignition switch is prompted by key or the push of a button, it activates the voltage from the battery to the ignition coil to produce the engine spark. The engine spark from the coil or coils is directed to the spark plugs to ignite the fuel to make the vehicle run. What do you need to know about ignition switches? No matter what year vehicle you work on, everything in these two chapters is applicable. Included here are the ignition switch, the wiring harness itself, controllers, and protection. This Tech Tip is...