GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 DeVille 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Steering Wheel and Column Component Views
Figure 1:

Passenger Compartment, at the Base of the Steering Column
Object Number: 154378 Size: LF
(1)Steering Column Tilt / Telescoping Module
(2)Steering Wheel Position Sensor (SWPS)
(3)C202
(4)P101
Figure 2:

Under the Left Side of the Instrument Panel
Object Number: 525005 Size: LF
(1)Multifunction Lever
(2)Tilt/Telescope Switch
(3)Horn Switch (Hidden)
(4)Tilt Actuator
(5)Telescope Actuator
(6)Steering Column Module
Figure 3:

Steering Wheel
Object Number: 1410237 Size: LF
(1)Heated Steering Wheel
(2)Heated Steering Wheel Control Module (Behind Inflatable Restraint Steering Wheel Module)
(3)Heated Steering Wheel Switch
Figure 4:

Left Front of the Passenger Compartment, in the Steering Column
Object Number: 525021 Size: LF
(1)Ignition Switch
(2)Theft Deterrent Control Module
(3)Ignition Lock Cylinder Control Actuator
Figure 5:

Beneath the Center Console
Object Number: 338809 Size: LF
(1)Park Lock Cable Assembly
(2)Shift Interlock Solenoid Connector