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

Instrument Panel Components


Object Number: 1988217  Size: LF
(1)Driver Information Center (DIC) Switch
(2)Turn Signal/Multifunction Switch
(3)Steering Wheel Control Switch - Left (K34)
(4)Instrument Panel Cluster (IPC)
(5)Inflatable Restraint Steering Wheel Module
(6)Steering Wheel Control Switch - Right (W1Y)
(7)Instrument Panel
(8)Tow/Haul Switch
(9)HVAC Control Assembly
(10)Radio
(11)Inflatable Restraint I/P Module
(12)Accessory Power Outlet - Center Console 2
(13)Blower Motor Switch - Auxiliary (C36 without C69)
(14)Inflatable Restraint I/P Module Indicator (Light Duty without YF7)
(15)Inflatable Restraint I/P Module Disable Switch (C99)
(16)Traction Control Switch (TCS) (JL4)
(17)Cigar Lighter (DT4)/Accessory Power Outlet - Center Console 1 (without DT4)
(18)Data Link Connector (DLC)
(19)Headlamp and Panel Dimmer Switch
Figure 2:

Instrument Panel Harness Components


Object Number: 1973025  Size: LF
(1)Body Control Module (BCM)
(2)Inflatable Restraint I/P Module
(3)Ambient Light Sensor
(4)Chime Module (UL5)
(5)Remote Control Door Lock Receiver (RCDLR) (AU0)
(6)Stop Lamp Switch
(7)Accelerator Pedal Position (APP) Sensor
(8)Park Brake Switch Pigtail Connector
(9)Park Brake Switch
Figure 3:

Upper Steering Column


Object Number: 2038323  Size: LF
(1)Theft Deterrent Module (TDM)
(2)Ignition Key Alarm Switch
(3)Ignition Switch
(4)Ignition Key Cylinder
(5)Horn Switch
(6)Inflatable Restraint Steering Wheel Module
(7)Turn Signal/Multifunction Switch
(8)Hazard Warning Switch
Figure 4:

Steering Column


Object Number: 1965807  Size: LF
(1)X200
(2)Steering Wheel Speed/Position Sensor (JL4)
Figure 5:

Air Temperature Actuator


Object Number: 2038337  Size: SH
(1)Air Temperature Actuator