For 1990-2009 cars

### Removal Procedure

1. Apply the parking brake.
2. Block the wheels.
3. Drain all the reservoirs. Refer to Draining Reservoirs .
4. Remove the stop lamp switch wiring harness connector.
5. Remove the stop lamp switch.

### 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 stop lamp switch.

Tighten
Tighten the stop lamp switch to 7 N·m (62 lb in).

2. Install the stop lamp switch wiring harness connector.
3. Start the engine.
4. Charge the system air pressure to the governor cut-out point.
5. Check for the proper brake operation.
6. Stop the engine.
7. Remove the wheel blocks.