Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the fog lamp to the fog lamp bracket.
  2. Install the 2 push pins (1) that retain the fog lamp to the fog lamp bracket.
    Fig 1: Identifying Fog Lamp Push Pins (Bravada & Rainier)
    GM743216Courtesy of GENERAL MOTORS CORP.
  3. Install the aim adjustment screw (2) to the fog lamp.
  4. Install the fog lamp bulb and socket. Refer to Fog Lamp Bulb Replacement - FrontΒ .
    Fig 2: Side Marker, Cornering Lamp And Fog Lamp
    GM742552Courtesy of GENERAL MOTORS CORP.
  5. Aim the fog lamp(s). Refer to Fog Lamp Aiming ProcedureΒ 
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.