GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2000
🢒
Envoy - 4WD
🢒
Body and Accessories
🢒
Cellular Communication
🢒 Cellular Communication Component Views
Figure
1:
Hands-Free Microphone
(1)
Hands-Free Microphone
(2)
Dome Lamp Harness
(3)
Overhead Console
Figure
2:
Sensing and Diagnostic Module Connection
(1)
Shifter Assembly
(2)
Sensing and Diagnostic Module (SDM)
(3)
Floor Handset Connector
Figure
3:
Onstar Components - RR of vehicle
(1)
OnStar Cellular Antenna
(2)
OnStar Cellular Antenna connector
(3)
Body Harness
(4)
C474
(5)
Vehicle Communications Unit (VCU)
(6)
Vehicle Interface Unit (VIU)