Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Install the processor bracket to the rear seat studs.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the nut to the rear seat back stud.
Tighten

Tighten the nut to 45 N.m (33 lb ft).

Fig 1: Installing Processor Bracket To Rear Seat Studs
Courtesy of GENERAL MOTORS CORP.
Position the upper bracket to the processor bracket.
Slide the upper bracket outboard until all the retaining tabs are seated to the processor bracket.
Install the communication interface module. Refer to COMMUNICATION INTERFACE MODULE REPLACEMENT (TRAILBLAZER, ENVOY, BRAVADA) or COMMUNICATION INTERFACE MODULE REPLACEMENT (TRAILBLAZER EXT, ENVOY XL) in Interior Trim.
Install the right rear seat cushion. Refer to SEAT CUSHION REPLACEMENT - REAR NO. 1 (TRAILBLAZER, ENVOY, BRAVADA) in Seats.

Fig 2: Positioning Upper Bracket To Processor Bracket
Courtesy of GENERAL MOTORS CORP.