Avalanche 2500 4WD V8-8.1L VIN G (2003)
6. Disconnect the electrical connector (2) attached to the rear quarter glass panel (1).
7. Remove the module (3) bolt.
8. Remove the antenna module from the roof.
9. Remove the radio control modules and cable from the vehicle.
INSTALLATION PROCEDURE
1. Install the antenna module (3) to the roof.
2. Install the module bolt.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the bolt to 9 N.m (80 lb in).
3. Connect the antenna cable to the module (3), if disconnected.
4. Connect the connector (2) to the rear quarter glass panel (1).