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

Brake Control Components


Object Number: 2028810  Size: LF
(1)Stop Lamp Switch
(2)Instrument Panel Cluster (IPC)
(3)Steering Angle Sensor
(4)Inflatable Restraint Steering Wheel Module Coil
(5)Parking Brake Switch
(6)Yaw Rate and Lateral Acceleration Sensor
(7)Vehicle Stability Control (VSC) Switch
Figure 2:

Cruise Control Components


Object Number: 2028892  Size: LF
(1)Clutch Start Switch
(2)Clutch Start Switch (w/K34)
(3)Instrument Panel Cluster (IPC)
(4)Cruise Control Switch
(5)Park/Neutral Position (PNP) Switch
(6)Accelerator Pedal Position (APP) Sensor
(7)Stop Lamp Switch
(8)Data Link Connector (DLC)
(9)Body Control Module (BCM)
Figure 3:

Exterior Lighting System Components


Object Number: 2025541  Size: LF
(1)Instrument Panel Cluster (IPC)
(2)Ambient Light Sensor
(3)Hazard Warning Switch
(4)Daytime Running Lights (DRL) Module
(5)Relay Block - I/P
(6)Turn Signal/Multifunction Switch
(7)Body Control Module (BCM)
(8)Stop Lamp Switch
Figure 4:

Floor Shift Components


Object Number: 2025763  Size: LF
(1)Park Position Switch
(2)Automatic Transmission Shift Lever
(3)Park/Neutral Position (PNP) Switch
(4)Shift Lock Control Module
Figure 5:

HVAC Components


Object Number: 2024776  Size: LF
(1)HVAC Control Module
(2)Air Inlet Control Servo
(3)Air Mix Servo
(4)Blower Motor Switch
(5)Air Temperature Actuator
(6)Accessory Power Outlet Switch - 115V AC
(7)Light Bulb
(8)Mode Actuator
(9)PTC Heater
(10)Recirculation Actuator
(11)Blower Motor Resistor
(12)Blower Motor
(13)Evaporator Temperature Sensor
Figure 6:

Power Assist Systems - Power Steering Module


Object Number: 2029086  Size: LF
(1)Electronic Power Steering Module
Figure 7:

Power Console Outlets


Object Number: 2029332  Size: LF
(1)Accessory Power Outlet - 115V AC
(2)Cigar Lighter Illumination Lamp
(3)Cigar Lighter
(4)Accessory Power Outlet - Socket
Figure 8:

Power Mirror Switch


Object Number: 2029173  Size: LF
(1)Outside Rearview Mirror (OSRVM) Switch
Figure 9:

Rear Window Defogger Switch


Object Number: 2024491  Size: LF
(1)Rear Window Defogger Switch
(2)Rear Window Defogger Wire
Figure 10:

Steering Wheel Components


Object Number: 2024984  Size: LF
(1)Steering Wheel Control Switch
(2)Steering Wheel Trim Cover
(3)Cruise Control Switch
Figure 11:

Theft Deterrent Keyless Entry Components


Object Number: 2029242  Size: LF
(1)Ignition Lock Cylinder Control Solenoid
(2)Ignition Switch Lock Cylinder
(3)Ignition Key Alarm Switch
(4)Ignition Switch
(5)Security Indicator Lamp
(6)Immobilizer Electronic Control Unit (ECU)
(7)Glass Breakage Sensor
(8)Theft Deterrent Module (TDM)
(9)Immobilizer Amplifier
(10)Glass Breakage Sensor Microphone
Figure 12:

Tire Pressure Monitoring Components


Object Number: 2029115  Size: LF
(1)Tire Pressure Warning Light
(2)Instrument Panel Cluster (IPC)
(3)Tire Pressure Module
(4)Tire Pressure Warning Reset Switch
Figure 13:

Transfer Case Shift Control Module


Object Number: 2029306  Size: LF
(1)Transfer Case Shift Control Module