GM Service Manual Online
For 1990-2009 cars only

The Brake pedal switches are self adjusting when installed properly in the fully locked position. The twist lock type switches do not need any further adjustment.

  1. Slide the lower switch into the retainer until the switch plunger is fully depressed into the switch barrel.
  2. 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