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

Instrument Panel Components


Object Number: 1781191  Size: LF
(1)Instrument Panel Cluster (IPC)
(2)Windshield Wiper/Washer Switch
(3)I/P Dimmer Control
(4)Hazard Switch
(5)Inflatable Restraint Front Passenger Presence System (PPS) Indicator
(6)Fog Lamp (T96) or Traction Control Switch (NW9)
(7)Ambient Light Sensor
(8)Inflatable Restraint I/P Module
(9)HVAC Control Module
(10)Cigar Lighter (DT4)
(11)Window Switch - Passenger
(12)Heated Seat Switches
(13)Window Switch - Driver
(14)Outside Rearview Mirror Switch (D22/DG7)
(15)Radio
(16)Steering Wheel Control Switch - Right (Radio)
(17)Inflatable Restraint Steering Wheel Module
(18)Steering Wheel Control Switch - Left (Cruise Control)
(19)Turn Signal/Multifunction Switch
Figure 2:

Door Harness Routing - Driver


Object Number: 1780666  Size: LF
(1)Door Lock Switch - Driver
(2)Outside Rearview Mirror - Driver
(3)Speaker - LF (Tweeter) (UW6/WBM)
(4)Window Motor - LF
(5)S500
(6)S501
(7)Body Harness
(8)Speaker - LF
(9)Door Latch - Driver
Figure 3:

Door Harness Routing - Passenger


Object Number: 1780750  Size: LF
(1)Outside Rearview Mirror - Passenger
(2)Door Lock Switch - Front Passenger
(3)Door Latch - Front Passenger
(4)Speaker - LF
(5)Body Harness
(6)Window Motor - Front Passenger
(7)Speaker - LF (Tweeter) (UW6/WBM)
Figure 4:

Door Harness Routing - LR


Object Number: 1780767  Size: LF
(1)Window Switch - LR
(2)Window Motor - LR
(3)Speaker - LR
(4)Body Harness
(5)C700
(6)Door Latch - LR
Figure 5:

Door Harness Routing - RR


Object Number: 1780825  Size: LF
(1)Window Switch - RR
(2)Door Latch - RR
(3)C800
(4)Body Harness
(5)Speaker - RR Connector
(6)Window Motor - RR
Figure 6:

Liftgate Harness Routing


Object Number: 1780607  Size: LF
(1)Center High Mounted Stop Lamp (CHMSL)
(2)C403
(3)S402
(4)C402
(5)S400
(6)S407
(7)Rear Defogger Grid Connector
(8)C405
(9)Liftgate Lamp - Left
(10)License Lamps
(11)Liftgate Latch
(12)Liftgate Lamp - Right
(13)Rear Defogger Grid Connector