GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2008
🢒
Sierra - 4WD
🢒
Diagnostic Navigation
🢒
Vehicle Diagnostic Information
🢒 Electronic Navigation Antenna Replacement
Callout
Component Name
Preliminary Procedure
Remove the instrument panel (I/P) upper trim pad. Refer to
Instrument Panel Upper Trim Panel with Windshield Defroster Nozzle Grille Replacement
.
Remove the radio. Refer to
Radio Replacement
.
1
Radio Antenna Module Assembly
Procedure
Disconnect the antenna module from the radio.
Disconnect the extension cable from the center HVAC duct.