Key Interlock

Voltage is supplied at all times to the key interlock switch through fuse 41. When you push the key while it is in the ignition, battery voltage is provided to the key interlock solenoid. When the A/T shift lever is in PARK, the parking pin switch provides ground to the key interlock solenoid, the solenoid is energized. and the key can then be turned to the LOCK (0) position.