GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C-Series Medium Duty Truck B7 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Stop Lamp Switch Adjustment
  1. Apply the brake pedal as far as possible.
  2. Pull on the switch until the switch stops.
  3. Release the brake pedal.