Steering Column Components

Courtesy of GENERAL MOTORS COMPANY

Component Name	Callout
S78 Turn Signal/Multifunction Switch S78 Turn Signal/Multifunction Switch	1
X85 Steering Wheel Air Bag Coil X85 Steering Wheel Air Bag Coil X1 , or X85 Steering Wheel Air Bag Coil X2 , or X85 Steering Wheel Air Bag Coil X3 , or X85 Steering Wheel Air Bag Coil X4 , or X85 Steering Wheel Air Bag Coil X5 (UVD)	2
S82 Windshield Wiper/Washer Switch S82 Windshield Wiper/Washer Switch	3
S39 Ignition Switch	3
K89 Immobilizer Control Module K89 Immobilizer Control Module (BTM)	4
M93 Key Capture Solenoid Actuator	5
B99 Steering Wheel Angle Sensor B99 Steering Wheel Angle Sensor	6
S71 Steering Column Tilt and Telescope Switch (N38) S71 Steering Column Tilt and Telescope Switch	7
K99 Steering Column Position Control Module (N38) K89 Immobilizer Control Module (BTM) , or K99 Steering Column Position Control Module X2 (N38) , or K99 Steering Column Position Control Module X3 , or K99 Steering Column Position Control Module X4	8
M65 Steering Column Telescope Motor (N38)	9
M68 Steering Column Tilt Motor (N38)	10