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How do you Change, Replace, or Install Broken 2003-2007 GMC Sierra Fog Light Replacement

Fits years: 2003, 2004, 2005, 2006, 2007

All GMC Sierra for sale Tools required:
  • 10mm socket/ratchet

  • 5/32 Allen wrench

Step 1: Locate and remove the two retaining 10mm mounting bolts.

These bolts are located on the top of the fog light mount and accessible from beneath the vehicle.

Step 2: Using a flathead screwdriver, pry the fog light from the mounting bracket.

It is held in place by two retaining pins (one on each side of the fog light's face. You can do this from the front of the vehicle.

Step 3: Using the 5/32 Allen wrench, disengage the adjustment screw to finalize the removal of the light.

NOTE: Mark the adjustment screw with a marker, so you can tighten it to the necessary length, ensuring proper alignment of your fog light.

Step 4: Disconnect the wiring harness on the back of the fog light assembly, and remove it from the vehicle.

Step 5: Move your mounting bracket into place on the undercarriage of the vehicle.

Step 6: From the front of the vehicle, push the fog light into place, situating it properly with the mounting bracket.

Step 7: Tighten the adjusting screw to the necessary length to ensure proper alignment.

Step 8: Connect the wiring harness to the back of the new fog light.

Step 9: Tighten the mounting screws into place to secure the fog light's position.
These Part Change / Installation Instructions Apply to:

03 2003, 04 2004, 05 2005, 06 2006, 07 2007 GMC Sierra Replacement Instructions

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