GM Service Manual Online
For 1990-2009 cars only

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the stop lamp switch. Refer to Stop Lamp Switch Replacement .

  3. Object Number: 1537923  Size: SH
  4. Pull out the shaft of the stop lamp switch to its maximum setting point.
  5. Connect the stop lamp switch electrical connector.
  6. Depress the brake pedal to the bottom.
  7. Install the stop lamp switch in the brake pedal bracket hole by twisting.
  8. Release the brake pedal slowly until reaching the end of the stop lamp switch shaft, the stop lamp switch will be adjusted of itself by the reaction force of the brake pedal.
  9. Connect the negative battery cable.