Grand Marquis V8-255 4.2L (1982)
Idle Speed/Throttle Actuator - Mechanical: Description and Operation
Idle Speed Controller With Integral Tracking Switch
Idle speed controller with Integral tracking switch
This switch, Fig. 15, used on some 1982 models, is used on vehicles with an electronic processor. It can serve as a throttle positioner switch at idle
and off idle and/or maintain a given idle speed with various engine loads. This switch also incorporates a vacuum decel control of the dashpot type.