GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Century 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 SIR Component Views
Figure 1:

Air Bag Modules and Side Impact Sensor
Object Number: 801293 Size: LF
(1)Steering Wheel
(2)Inflatable Restraint Steering Wheel Module
(3)Cross-car Beam
(4)Inflatable Restraint IP Module
(5)Inflatable Restraint Side Impact Module-LH
(6)Driver Front Seat
(7)Inflatable Restraint Side Impact Sensor-LH
(8)B-Pillar-LH
Figure 2:

Steering Column
Object Number: 1318679 Size: LF
(1)Steering Wheel
(2)Cruise Control On/Off Switch (K34)
(3)Turn Signal/Multifunction Switch
(4)Inflatable Restraint Steering Wheel Module Coil
(5)C203 (UK3)
(6)Inflatable Restraint Steering Wheel Module Connector
Figure 3:

Steering Wheel
Object Number: 1318303 Size: LF
(1)Steering Wheel Controls - Left (UK3)
(2)C203 (UK3)
(3)Steering Wheel Controls - Right (UK3)
(4)Inflatable Restraint Steering Wheel Module Connector
(5)Inflatable Restraint Steering Wheel Module
(6)Horn Switch B+ Connector
(7)C203 (UK3)
(8)Horn Switch Ground Connector
Figure 4:

Right Side of Passenger Compartment, Under Passenger Seat
Object Number: 801298 Size: LF
(1)Inflatable Restraint Sensing and Diagnositc Module (SDM)
(2)Inflatable Restraint Sensing and Diagnositc Module (SDM) Connector C2
(3)Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector C1
(4)Body Wiring Harness
(5)Instrument Panel Wiring Harness