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: 165309  Size: SH
  1. Insert the stop lamp switch (3) into the retainer until the switch body is seated on the retainer.

  2. Object Number: 240492  Size: SH
  3. Pull the brake pedal (4) upward against the internal pedal stop.
  4. Turn the switch (3) 90 degrees clockwise in order to lock the switch into position.