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

Steering Wheel Components


Object Number: 1861206  Size: LF
(1)Heated Steering Wheel (N30)
(2)Horn Switch
(3)Heated Steering Wheel Module (N30)
(4)Steering Wheel Control Switch - Right
(5)Steering Wheel Control Switch - Right
(6)Heated Steering Wheel Element (N30)
(7)Heated Steering Wheel Switch (N30)
(8)Steering Wheel Control Switch - Left
Figure 2:

Steering Column Components


Object Number: 1657337  Size: LF
(1)Turn Signal/Multifunction Switch
(2)Traction Control Switch (AV8)
(3)Column Shifter Shift Lock Control Solenoid (AV8)
(4)Ignition Key Alarm Switch
(5)Theft Deterrent Module (TDM)
(6)Ignition Switch
(7)Inflatable Restraint Steering Wheel Module Coil
(8)Steering Angle Sensor (JL4)
(9)Telescoping Actuator (N37)
(10)Tilt Actuator (N37)
(11)Tilt/Telescope Switch (N37)
Figure 3:

Steering Column Inlines


Object Number: 1860584  Size: LF
(1)Ignition Switch
(2)C205
(3)C207