Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure the headlamp switch is in the OFF position.
  2. Remove the upper garnish molding at the headliner.
  3. Pull back the right and left side rear window garnish molding.
  4. Lower the rear of the headliner in order to access the electrical connector.
  5. Fig 1: High Mounted Stop Lamp
    G01696787Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the electrical connector (4).
  7. Attach a short piece of wire to the high mounted stoplamp connector in order to assist the guiding of the harness through the body.
  8. Remove the high mounted stoplamp screws (2).
  9. Remove the high mounted stoplamp (1) from the vehicle.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.