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How do you Change, Replace, or Install 2002-2009 Chevrolet Trailblazer Headlight Replacement





Tools required:
  • Flathead screwdriver


Step 1: Using the screwdriver, disengage the grille's retaining clips and pull it from the vehicle.

There are clips along the top of the grille and a couple behind it. They disengage easily, but be sure not to break them, as they are plastic!

Step 2: Using the flathead screwdriver, lift and release the two tabs that hold the headlight assembly in place.

One tab is on top of the assembly near the radiator, the other is just beneath the hood frame on the outer edge of the assembly.

Step 3: You can now pull the headlight assembly from the vehicle.

Step 4: Disconnect the wiring harnesses on the back of the headlight, and completely remove it.


NOTE: If you ordered your replacement headlight from Go-Parts, it likely includes new bulbs, as most of our models do. This saves you an installation step! However, in case your particular model does not include the bulbs, pull the sockets from the old assembly and attach them to the new one. This process takes just a few moments!

Step 5: Connect the wiring harnesses to the back of the new headlight assembly and re-engage the retaining clips to secure its position.

Step 6: Reattach the grille by engaging the retaining clips.




Please Note

While we are more than happy to create these installation guides for your benefit, we cannot maintain any liability regarding the part, or the driving experience, once the part has been replaced/installed. We always guarantee the quality of the parts we provide, but the installation liability rests solely on the installer.

And, though we are always here to answer your questions, please note that our technicians created these guides for your convenience, and cannot provide assistance beyond this guide.


If you're looking for a good deal on the parts mentioned in this instructional guide, be sure to check these out:

Years 06-09, OEM #:25970909 - Partslink # GM2502304
LT Model , LS Model (08-09)
$24.95
Years 06-09, OEM #:25970908 - Partslink # GM2503304
LT Model , LS Model (08-09)
$24.95
Years 02-09, OEM #:25970915 - Partslink # GM2502213
LT Model (02-05), LS Model (02-07)
$42.95
Years 02-09, OEM #:25970914 - Partslink # GM2503213
LT Model (02-05), LS Model (02-07)
$42.95

These Part Change / Installation Instructions Apply to
09 2009, 08 2008, 07 2007, 06 2006, 05 2005, 04 2004, 03 2003, 02 2002 Chevrolet Trailblazer Headlight Replacement Instructions
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