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How to Replace Third Brake Light 2002-09 Chevy Trailblazer
How to Replace High Mount Third Brake Light 2002-06 GMC Envoy XL
Created on:
Tools used
Flat Blade Screwdriver
Needle nose pliers
Phillips Head Screwdriver
1. Removing the 3rd Brake Light
Open the tailgate and unplug the lead.
Pull the tailgate down open the window and lift the tailgate partially.
Remove the clip on the harness.
Pull the harness out.
Remove the two Phillips screws on the brake light.
Pull the light down and out. Unclip it from the truck.
2. Replacing the 3rd Brake Light
Put the light into place.
Run the harness back through the tailgate.
Replace the two Phillips screws.
Re-clip the harness.
Connect the lead.
Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the internet.
Hi. I'm Mike Green. I'm one of the owners of 1A Auto. I want to help you save time and money repairing and maintaining your vehicle. I'm going to use my 20 plus years experience restoring and repairing cars and trucks like this to show you the correct way to install parts from 1A Auto.com. The right parts installed correctly. That's going to save you time and money. Thank you and enjoy the video.
In this video we're going to show you how to remove and replace the third brake light on this Chevy Trailblazer. The tools you will need are a flat blade screwdriver and a Phillips screwdriver and maybe a pair of pliers as well.
The third brake light is a sealed unit. It can fritz out on you. To replace it open up your tailgate and you can see the lead right here. You pull this little plug out and pull some wire out and there's your connector. What you want to do is pry up on the tab on one side. You can use a little screwdriver. Once you pry, then pull it out. Maybe what you want to do is pull up on here at the same time lift up your tailgate some and pull this wire through.
Right here it does go through a little clip. Get a pair of needle nose pliers and maybe a screwdriver to pull that clip off. Push in the round part of the harness right through there and just pull it right through. Now there's two screws in here. One over here. They are Phillips screws. Clip over here and there's your old light out. The new light from 1A Auto is the exact same. Take the protective film off and put it right up and in. You want to make sure it goes into this slot here first. Push it up and in. Put the wire through this retainer. Force it in. Put in your two screws. Now what you want to do is put this through. Bring the window down a little bit and stuff this rubber grommet in some. All right so we've got this stuffed most of the way there now. Bring it up and pull our lead through all the way. Take our clip and put it back in place. Connect our lead. Put it down and in. Push the rest of the wire in. Install the rubber grommet and we're all set.
We hope this helps you out. It was brought to you by www.1AAuto.com your source for quality replacement parts and the best service on the internet. Please feel free to call us toll free 888-844-3393. We are the company that's here for you on the internet and in person.
Tools used
Flat Blade Screwdriver
Phillips Head Screwdriver
1. Removing the Third Brake Light
Open the lift gate
Pull out the brake light wiring harness grommet
Disconnect the brake light wiring harness
Open the lift gate glass
Remove the three Phillips head screws from the brake light
Pull the wiring harness through its slot
Unclip the wiring harness from the brake light
Pull the brake light down and out
2. Installing the New Third Brake Light
Put the new brake light into place
Insert the three Phillips screws into the brake light
Open the lift gate
Feed the wiring harness thorough its slot
Connect the brake light wiring harness
Push in the wiring harness grommet
Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.
In this video, we're going to show you how to replace the third brake light on this 2003 GMC Envoy XL. It's the same part and similar process on the regular Envoys made after 2002. The items you'll need are a new third brake light from 1AAuto.com, a flat blade screwdriver, and a Phillips screwdriver.
Lift up your lift gate and pull on this grommet. Then, just keep pulling the harness out until you can get to the connector. Using a flat blade screwdriver, pry out on the tab and disconnect the harness. Now, open up the glass and remove these three Phillips screws. We'll just fast forward as Mike does that.Then, just pull the grommet and the harness up through this slot. Then, unclip it, and then just pull the third brake light down and out.
Up top, is the old third brake light. Below it, is the new one from 1A Auto. You can see they're identical and they'll fit exactly the same. Feed your new brake light up into place, and then replace those three Phillips screws. Now lift up your lift gate with the glass still open, and then just feed the harness down through the slot. Once you get it going, just open up your lift gate and pull it down and through the rest of the way. Make sure that it's on the right side of the hinge. Then, reconnect the harness and feed it back down into the hole and push the grommet back into place. Now, just test it out. You can see it works, so you're all set.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
LHT06777
In Stock
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Just right
M
January 13, 2021
The center light was perfect. Brighter than what I previously had. 1A has been on point for what I've needed. Will be buying more and more often.
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