Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the bulb into the socket.
    Fig 1: Identifying Vanity Mirror Lamp Bulbs
    G01754910Courtesy of GENERAL MOTORS CORP.
  2. Position the vanity mirror lamp lens to the sunshade.
  3. Align the lens tabs into the housing slots and insert the upper edge of the lens first.
  4. Insert a small flat-bladed tool at the lower edge of the vanity mirror lamp lens then press up to fully install the lens.
  5. Close the lamp cover door and raise the sunshade.
    Fig 2: Installing Lamp Lens
    G01754911Courtesy of GENERAL MOTORS CORP.
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.