cadillac Workshop Repair Guides

Cadillac Workshop Service and Repair Manuals

Park/Neutral Switch, Automatic Trans.|Page 1964 > < All Other Service Bulletins for Seals and Gaskets:|87110|Page 1958
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Transmission Position Switch/Sensor: Description and Operation
Park/Neutral Switch, Automatic Trans.

This switch, connected to the transmission gear selector, is closed when the gear selector is in Park or Neutral. 

When the switch is closed ignition timing is retarded. 

It also is involved in the operation of the torque converter clutch and the idle speed control.

Park/Neutral Switch, Automatic Trans.|Page 1964 > < All Other Service Bulletins for Seals and Gaskets:|87110|Page 1958