Replace Tail Light Bulbs On A 2006 GMC Envoy Or Chevy Trailblazer

Projects & Repairs --> Lights --> Tail Lights --> 2006 GMC Envoy

Replacing tail light bulbs on a GMC Envoy.

Replacing Tail Light Bulbs On A 2006 GMC Envoy

Also Covers Chevy Trailblazer

(Covers Model Years 2002 to 2008)

In This Article:

The tail light lens is removed and the inner panel is removed so the bulbs can be replaced.

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Skill Level: 2-3 (Basic to Intermediate)

Time Taken: About 15 Minutes

By Jim Wilk, Licensed Auto Body Technician

Start:

To remove the tail light assembly on this 2006 GMC Envoy I used a Phillips screwdriver to remove the bottom screw.

Removing screws for the tail light assembly on a 2006 GMC Envoy.

Upper screw on tail light lens, GMC Envoy or Chevy Trailblazer.

Then I removed the top screw.

Using a rigid putty knife with masking tape on the blade to prevent scratching and marring, I applied pressure against the lens to release the snap studs holding the back of the lens.

Caution: The lens assembly releases quickly and can fall, causing damage to the plastic.

Prying out the tail light colored lens on a GMC Envoy.

Releasing the electrical connector for the tail lights on a GMC Envoy or Chevy Trailblazer.

I used my thumb to press on the release tab (green arrow).

Then I pulled the wire connector from electrical panel molded into the tail light assembly.

Electrical connector on tail lights, GMC Envoy 2006.

Inner panel removed from tail light assembly, 2006 GMC Envoy or Chevy Trailblazer.

With a Phillips screwdriver I removed the electrical panel from the tail light assembly, exposing the bulbs.

At this point I removed the burned-out bulb by pulling it straight out.

Some people replace all of the bulbs at this time, even working bulbs, because new bulbs are cheaper than the labor to remove them. If one bulb has burned out, it's likely that the others will soon follow.

The GMC Envoy and Chevy Trailblazer use three 3057 bulbs in each tail light assembly.

View of tail light mounting area.

Rear quarter-panel of GMC Envoy with tail light removed.

More Info:

Tools Used:

Basic Mechanic's Tools
Phillips Screwdriver
Flat Rigid Putty Knife

Materials Used:

Masking Tape
Tail Light Bulbs, #3057

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Written August 27, 2009