GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 Envoy - 4WD 🢒 Accessories 🢒 Cellular Communication 🢒 Cellular Communication Component Views
Figure 1:

Overhead Console
Object Number: 906337 Size: MF
(1)Cellular Microphone
(2)Noise Compensation Microphone (UQA w/Class 2 Amp)
(3)Overhead Console
Figure 2:

Antennas
Object Number: 851793 Size: LF
(1)Cellular and Navigation Antenna
(2)Cellular Antenna Connector
(3)Navigation Antenna Connector
(4)Front Roof Panel
Figure 3:

Vehicle Communication Interface Module (VCIM) - Short Wheelbase (SWB)
Object Number: 825916 Size: MF
(1)Connectors
(2)Body Harness
(3)Rear Floor Panel
(4)Vehicle Communication Interface Module (VCIM)
Figure 4:

Vehicle Communication Interface Module (VCIM) - Long Wheelbase (LWB)
Object Number: 825918 Size: MF
(1)Vehicle Communication Interface Module (VCIM)
(2)Rear Floor
(3)Connectors