Shift Interlock System
WARNING: This page is about a different car, the 2004 Mercury Marauder, 2004 Mercury Grand Marquis, and 2004 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
The shift interlock system consists of:
- a shift lock actuator (3F752).
- A transmission shift selector position insert (7A216), which bolts to the steering actuator housing (3F723), secures the shift lock actuator to the steering column.
- electrical circuits to supply power to lock and unlock the shift lock actuator.
The shift lock actuator locks the gearshift lever in PARK:
- when the ignition switch lock cylinder is in the LOCK position.
- with the ignition switch lock cylinder in the RUN position and the brake pedal released.
The shift lock actuator releases the gearshift lever:
- when the ignition switch lock cylinder is in the FIRST position.
- with the ignition switch lock cylinder in the RUN position and the brake pedal actuated.