Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the stoplamp cover (2) to the stop lamp (5).
  2. Install the 2 stoplamp cover nuts (1).
  3. Install the bulb to the lamp socket, if removed.
  4. Install the lamp socket to the stoplamp (6) by turning clockwise, if removed.
  5. Install the stoplamp (6).
  6. Install the 2 stop lamp screws (5) to the stop lamp (6).
  7. Position the stoplamp center cover (4) to the stop lamp (6).
  8. Install the 2 high mounted stop lamp cover push-in retainers (3) to the stop lamp center cover (4).
    Fig 1: Installing High Mounted Stop Lamp
    G01433485Courtesy of GENERAL MOTORS CORP.
  9. Close the liftgate.
RENDER: 1.0x

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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.