Avalanche 2500 4WD V8-8.1L VIN G (2003)
5. Install the cable (2, 3) to the roof cross member by pushing in the retainer clips (1).
6. Install the module bolt.
Tighten
Tighten the bolt to 9 N.m (80 lb in).
7. Connect the antenna cable to the module (1).
8. Connect the connector (2) to the rear quarter glass panel (3).
9. Install the headliner.