LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 1987 >> Seville V8-252 4.1L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Transmission Position Sensor/Switch >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Transmission Position Sensor/Switch: Service and Repair

NEUTRAL START AND BACK-UP LAMP SWITCH

Neutral Start & Backup Lamp Switch - Removal And Adjustment:






REMOVE OR DISCONNECT
1. Remove the shift linkage, electrical connector and vacuum hose.
2. Attaching nut and shift lever.
3. Fuel line bracket and screw.
4. Assembly screws and switch.

INSTALL OR CONNECT
1. To reassemble, reverse steps 1 thru 4 listed above.
2. Torque the assembly screws to 27 Nm (20 lb ft).
^ The neutral start and back-up lamp switch should be adjusted so that the engine will start in "PARK" or "NEUTRAL" only.

CAUTION: Personal injury may result if the engine can be started in a drive position.

ADJUST
1. Place transaxle manual linkage lever shaft (12) in the "NEUTRAL" position. Ensure proper shift control adjustment as previously described.
2. Loosen switch attaching screws (16).
3. Rotate switch (13) on shifter assembly to align service adjustment hole with carrier tang hole.
^ Insert 2.34 mm (3/32") max. diameter gage pin to a depth of 12 mm (15/32").

TIGHTEN
^ Two attaching screws (16) to 27 Nm (20 lb ft).

4. Remove gage pin.

NOTICE: When servicing requires that T-latch type wiring connector be disconnected, care must be taken to insure proper reassembly of the connector. Failure to do so may result in an intermittent failure of the switch.