For 1990-2009 cars

### Removal Procedure

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Important: The transmission must be lowered at least 8 inches to gain access to the back up lamp switch.

2. Remove transmission. Refer to Two-Wheel-Drive Transmission Replacement or Four-Wheel-Drive Transmission Replacement in Manual Transmission.
3. Disconnect the electrical connector (1) from the backup lamp switch.
4. Remove the backup lamp switch (1) from the manual transmission upper case (2).
5. Inspect the backup lamp switch O-ring for cuts or damage. Replace the backup lamp switch O-ring if necessary.

### Installation Procedure

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

1. Install the backup lamp switch (1) to the manual transmission upper case (2).

Tighten
Tighten the backup lamp switch to 20 N·m (14 lb ft).

2. Connect the electrical connector (1) to the backup lamp switch.
3. Raise transmission and reinstall components. Refer to Two-Wheel-Drive Transmission Replacement or Four-Wheel-Drive Transmission Replacement in Manual Transmission.
4. Lower the vehicle.