Removal Procedure

WARNING: This page is about a different car, the 2003 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Open the rear compartment.
Remove the rear compartment sill plate. Refer to BODY REAR END
Pull back on the rear compartment trim panel.
Disconnect the tail lamp connector (2) from the body main harness connector (1).

Fig 1: Disconnecting Tail Lamp Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Remove the fasteners (1) that secure the tail lamp (2) to the body.

Fig 2: Removing Tail Lamp Fasteners
Courtesy of GENERAL MOTORS CORP.
Pull on the tail lamp assembly (3) in order to disengage the clips (1 and 2) that retain it to the body.

Fig 3: Removing Tail Lamp Assembly Retaining Clips
Courtesy of GENERAL MOTORS CORP.
Pull on the tail lamp harness (1) in order to disengage the tail lamp harness grommet (2) from the body.

Fig 4: Removing Tail Lamp Harness Grommet & Lamp Assembly
Courtesy of GENERAL MOTORS CORP.
Remove the tail lamp assembly (3) from the vehicle.