GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear seat to rear window trim panel. Refer to Rear Window Trim Panel Replacement in Body Rear End.
  2. Disconnect the two wiring harness connectors from the radio signal processor.
  3. Remove the radio speaker amplifier bracket bolts from the rear seat to rear window trim panel.
  4. Lower the amplifier bracket from the rear parcel shelf.
  5. Disconnect the amplifier wiring harness connector.
  6. Remove the four amplifier bolts.
  7. Remove the amplifier from the bracket.

Installation Procedure

  1. Install the amplifier into the bracket.
  2. Install the four amplifier bolts until fully seated and not stripped.
  3. Connect the amplifier wiring harness connector.
  4. Raise the amplifier bracket into the mounting position.
  5. Install the bracket bolts at the rear parcel shelf.
  6. Connect the two processor wiring harness connectors.
  7. Install the rear seat to rear window trim panel. Refer to Rear Window Trim Panel Replacement in Body Rear End.