Ignition Switch
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 1983 Mercury Zephyr, 1983 Mercury Marquis, 1983 Mercury Grand Marquis, 1983 Mercury Cougar, and 1983 Mercury Capri. However, it is still accessible from the selected car via links, so may be relevant.
Sliding type switch mounted on steering column and controlled by an actuating rod which is operated by lock cylinder through a rack-and-sector mechanism. Up and down movement of actuator moves switch slider back and forth within switch housing, establishing various switch positions.