GM Service Manual Online
For 1990-2009 cars only

Notice: Proper stoplamp switch adjustment is essential. Improper stoplamp switch adjustment may cause brake drag, heat buildup and excessive brake lining wear.

Important: Adjust the stop lamp switch and cruise control release at the same time. The adjustment procedures for the stop lamp switch and the cruise control release switch are identical.


    Object Number: 180295  Size: SH
  1. Insert the stop lamp switch (1) and the cruise control switch (3) if equipped into the brake pedal bracket (2).

  2. Object Number: 179286  Size: SH
  3. Install the stop lamp switch (1) and the cruise control switch (2) if equipped into the slotted grooves until the switches are fully depressed against the brake pedal (3), then turn the switches clockwise approximately 1/4 turn, the switches should now be installed and adjusted.
  4. Inspect the stop lamps and the cruise control for proper operation.