GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Steering Wheel and Column


Object Number: 856748  Size: LF
(1)Steering Wheel Control Switch Assembly - Upper Left
(2)Passlock Sensor Connector
(3)Ignition Key Alarm Switch
(4)Ignition Lock Cylinder Control Actuator
(5)Ignition Lock Cylinder Control Actuator Connector
(6)Ignition Switch
(7)Ignition Key Cylinder
(8)Steering Wheel Control Switch Assembly - Upper Right
(9)Horn Switch
(10)Steering Wheel Control Switch Assembly - Lower Right
(11)C277
(12)Steering Wheel Control Switch Assembly - Lower Left
(13)Turn Signal/Multifunction Switch
Figure 2:

Driver Door Components


Object Number: 1217663  Size: MF
(1)Driver Door
(2)Outside Rearview Mirror
(3)Memory/Heated Seat Switch
(4)Memory/Heated Seat Switch Connector - C5 (Green)
(5)Driver Door Module (DDM)
(6)Fuse Block - I/P - C3
(7)Speaker - LF Door
(8)Window Motor - Driver
(9)Courtesy Lamp - Left Door
(10)Door Latch Assembly - Driver
(11)Door Latch Assembly Connector - Driver
Figure 3:

Passenger Door Components


Object Number: 1219137  Size: MF
(1)Passenger Door
(2)Outside Rearview Mirror
(3)Passenger Door Module (PDM)
(4)Door Latch Assembly - Passenger
(5)Courtesy Lamp - Right Door
(6)Window Motor - Front Passenger
(7)Speaker - RF Door
(8)Junction Block - I/P - C2
(9)Junction Block - I/P - C7
(10)Heated Seat Switch
Figure 4:

Left Rear Door


Object Number: 1480946  Size: LF
(1)Door Latch Assembly - Left Rear
(2)Window Motor - Left Rear
(3)Window Switch - Left Rear
(4)C310
(5)Speaker - Left Rear
(6)Door Courtesy Lamp - Left Rear
Figure 5:

Right Rear Door


Object Number: 1480947  Size: LF
(1)Window Motor - RR
(2)Door Latch Assembly - RR
(3)Door Courtesy Lamp - RR
(4)Speaker - RR
(5)C390
(6)Window Switch - RR
Figure 6:

Instrument Panel


Object Number: 1482230  Size: LF
(1)Speaker - Left Front Tweeter
(2)Instrument Cluster
(3)Turn Signal/Multifunction Switch
(4)Traction Control Switch
(5)Radio
(6)HVAC Control Module
(7)Speaker - Right Front Tweeter
(8)Inflatable Restraint I/P Module
(9)Inflatable Restraint I/P Module Disable Switch
(10)Digital Radio Receiver
(11)Ride Height Switch (ZM6)
(12)Tow/Haul Switch
(13)Headlamp and Panel Dimmer Switch
(14)Midgate Window Switch (SUT) or Rear Wiper/Washer Switch (Except SUT)
Figure 7:

Behind Right Side Kick Panel


Object Number: 1775681  Size: LF
(1 )FM Modulator (UWF/UWG)
(2)Controller to FM Modulator Connector (UWF/UWG)
(3)Radio Antenna Coax Connector
(4)C236
(5)C298
(6)G203
Figure 8:

Roof Lamp Harness (USB, USC, USD)


Object Number: 1764748  Size: MF
(1)Passthrough to Clearance Lamp - LF
(2)Connector to Onstar/Satellite Radio Antenna
(3)C312 (USB, USC, USD)
(4)C211 (USB, USC, USD)
(5)C212 (USB, USC, USD)
Figure 9:

Antenna Locations


Object Number: 1340677  Size: MF
(1)Cellular and Navigational Antenna
(2)Radio Antenna
(3)Global Positioning System (GPS) Antenna (I/P)
Figure 10:

Cellular Microphone


Object Number: 874471  Size: MF
(1)Ambient Air Temperature Sensor - HVAC
(2)Cellular Microphone
(3)B-Pillar - Driver Side
Figure 11:

OnStar Button Assembly


Object Number: 869267  Size: MF
(1)OnStar Button Assembly
Figure 12:

Vehicle Communication Interface Module


Object Number: 819919  Size: MF
(1)I/P Harness
(2)Vehicle Communication Interface Module
(3)Vehicle Communication Interface Module-C3
(4)Vehicle Communication Interface Module-C2
(5)Vehicle Communication Interface Module-C1