GM Service Manual Online
For 1990-2009 cars only

Stop Lamp Switch Replacement Stoplamp

Removal Procedure


    Object Number: 161421  Size: SH
  1. Remove the left closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gauges and Console.
  2. Turn the switch (4) counter-clockwise and remove.
  3. Disconnect the switch electrical connectors.

Installation Procedure

Notice: When installing the brake pedal switches it is very important that the brake pedal remain in the full up or at rest position or damage to the brake system and/or switch misadjustment may occur.


    Object Number: 161421  Size: SH
  1. Connect the lower switch electrical connectors.
  2. Install the lower switch into the lower retainer (2).
  3. Turn the switch clockwise until travel has stopped and the switch is fully locked into position
  4. Slide the upper switch (4) into the retainer (2) until the switch plunger is fully depressed into the switch barrel.
  5. Turn the switch clockwise until travel has stopped and the switch is fully locked into position.
  6. Install the closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gauges and Console.

Stop Lamp Switch Replacement ABS/TCC

Removal Procedure


    Object Number: 161421  Size: SH
  1. Remove the left closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gauges and Console.
  2. Twist the upper switch (5) counter-clockwise and remove.

  3. Disconnect the upper switch electrical connectors.

Installation Procedure

Notice: When installing the brake pedal switches it is very important that the brake pedal remain in the full up or at rest position or damage to the brake system and/or switch misadjustment may occur.


    Object Number: 161421  Size: SH
  1. Connect the upper switch electrical connectors.
  2. Install the upper switch (5) into the upper retainer (6). Face the switch connector to the 6  o'clock position.
  3. Slide the lower switch into the retainer until the switch plunger is fully depressed into the switch barrel.
  4. Twist the switch clockwise until travel has stopped. The switch connector will face the 8  o'clock position when the switch is in the fully locked position.
  5. Install the left closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gauges and Console.