C6 Transmission

Park/Neutral Position (PNP) Switch

1. Set the vehicle parking brake.

2. Set the transmission in the NEUTRAL position.

3. With the manual shift cable properly adjusted, loosed the switch attaching bolts.

4. Insert park neutral position switch Alignment Tool T91P-70010-A onto the park neutral position switch into the three slots provided on the switch actuator and terminal plate.

NOTE: Check to make sure that each leg of the tool is seated in its slot.

5. Leaving the alignment tool in place, tighten the attaching bolts to 7-8 Nm (55-75 in-lb).

6. Remove the alignment tool at this time. Adjustment can be confirmed visually by making sure the line etched in the actuator and the line etched in the housing are in a straight line when the switch is centered in neutral.

7. Check the operation of the switch. The backup lamps should operate only with the transmission selector lever in REVERSE. The vehicle should start only with the transmission selector lever in PARK or NEUTRAL.

Park/Neutral Position (PNP) Switch: