GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Catera 🢒 Body and Accessories 🢒 Entertainment 🢒 Radio Speaker Amplifier Replacement

Removal Procedure
  1. Remove the rear seat to rear window trim panel. Refer to Rear Window Trim Panel Replacement in Body Rear End.

    2. Object Number: 394366 Size: SH
  2. Disconnect the amplifier wiring harness connector.

    3. Object Number: 394364 Size: SH
  3. Remove the radio speaker amplifier bracket (2) bolts from the rear window trim panel.
  4. Lower the amplifier bracket (2) from the rear parcel shelf.
  5. Remove the four amplifier bolts.
  6. Remove the amplifier (1) from the bracket (2).

Installation Procedure

    Object Number: 394364 Size: SH
  1. Install the amplifier (1) to the bracket (2).
  2. Install the four amplifier bolts until fully seated and not stripped.
  3. Raise the amplifier bracket (2) into the mounting position.
  4. Install the bracket bolts to the rear window trim panel.

    5. Object Number: 394366 Size: SH
  5. Connect the amplifier wiring harness connector.
  6. Install the rear seat to rear window trim panel. Refer to Rear Window Trim Panel Replacement in Body Rear End.