GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 DeVille 🢒 Steering 🢒 Steering Wheel and Column - Tilt 🢒 Shift Lock Control Schematics
Figure 1:

Cell 138: Park/Neutral Position (PNP) Switch
Object Number: 488141 Size: FS
Tilt Wheel/Column Components
Automatic Transmission Shift Lock Control Circuit Description
Cell 138: Shift Interlock Actuator
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Body Control System Connector End Views
Tilt Wheel/Column Connector End Views
Cell 50: Power, Ground, and Class 2
Cell 14: G102
Cell 50: Power, Ground, and Class 2 (Export)
Figure 2:

Cell 138: Shift Interlock Actuator
Object Number: 488140 Size: FS
Tilt Wheel/Column Components
Automatic Transmission Shift Lock Control Circuit Description
Cell 138: Park/Neutral Position (PNP) Switch
Power Distribution Schematics
Tilt Wheel/Column Connector End Views
Power Distribution Schematics
Cell 14: G204
Cell 14: G302 (DeVille 2 of 2)
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Door Lock/Indicator Schematics
Power Distribution Schematics
Cell 14: G204
Cell 14: G302 (Eldorado 2 of 2)