GTO V8-6.0L VIN U (2005)
2. Disconnect the speaker electrical connector (1).
3. Remove the rear window trim panel.
4. Remove the speaker mounting box-to-rear shelf retaining screws (1).
5. Remove the speaker-to-mounting box retaining screws (2).
6. Remove the speaker from the vehicle.
INSTALLATION PROCEDURE
1. Position the speaker in the vehicle.