Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the fog lamp switch to the steering column filler and press into place to secure.
    Fig 1: Positioning Fog Lamp Switch To Steering Column Filler
    G01587065Courtesy of GENERAL MOTORS CORP.
  2. Connect the electrical connector to the fog lamp switch.
  3. Install the steering column filler. Refer to STEERING COLUMN FILLER REPLACEMENT in Instrument Panel, Gages and Console.
  4. Install the left instrument panel insulator. Refer to CLOSEOUT/INSULATOR PANEL REPLACEMENT - LEFT in Instrument Panel, Gages and Console.
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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.