GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Prizm 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Stop Lamp Switch Adjustment

    Object Number: 240682 Size: MH

    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 knee bolster. Refer to Knee Bolster Replacement in Instrument Panel Gages, and Console.
  3. Remove the following components from the I/P carrier:
    4. • The plastic retainer
    • The left side air ventilation duct
    • The screw
    • The left side air outlet duct
  4. Disconnect the stoplamp switch electrical connector.
  5. Loosen the locknut for the stoplamp switch (1).

    6. Object Number: 240729 Size: SH
  6. Connect the stoplamp switch electrical connector.
  7. Inspect the brake lights.
    8. • If the brake lights illuminate when an assistant depresses the brake pedal, the operation is normal.
    • If the brake lights do not illuminate when the brake pedal is released, the operation is normal.
  8. Inspect the brake pedal free play. Refer to Brake Pedal Travel .
  9. Inspect the brake pedal reserve distance. Refer to Brake Pedal Travel .
  10. Adjust the pedal height. Refer to Brake Pedal Travel .
  11. Turn the stoplamp switch (2) until the switch lightly contacts the pedal stopper.
  12. Turn the stoplamp switch back one turn.
  13. Ensure the distance between the end of the stoplamp switch plunger and the end of the threaded portion of the stoplamp switch is within 0.5-2.4 mm (0.02-0.094 in).
  14. Tighten the locknut (1) for the stoplamp switch.

    15. Tighten
    Tighten the locknut to 10 N·m (89 lb in).

  15. Install the left side air outlet duct to the I/P. Secure the outlet duct with the screw.
  16. Install the left side air ventilation duct to the I/P. Secure the ventilation duct with the plastic retainer.
  17. Install the knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges, and Console.
  18. Connect the negative battery cable.