GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Century 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Harness Routing Views
Figure 1:

LF of the Vehicle
Object Number: 1254202 Size: MF
(1)C106 Shown, C107 Similar
(2)Headlamp Assembly - Left Shown, Right Similar
(3)Cornering/Marker Lamp - Left Shown, Right Similar
(4)Headlamp Low Beam - Left Shown, Right Similar
(5)Headlamp High Beam - Left Shown, Right Similar
(6)Park/Turn Signal Lamp - LF Shown, RF Similar
Figure 2:

Front of Vehicle
Object Number: 1340766 Size: MF
(1)C120
(2)Fuse Block - Underhood, C3
(3)G101
(4)Fog Lamp - LF Connector (Regal)
(5)C106
(6)Forward Lamp Wiring Harness
(7)Ambient Outside Air Temperature Sensor Connector (CJ2)
(8)Fog Lamp - RF Connector (Regal)
(9)C107
(10)C103
Figure 3:

RF of the Vehicle
Object Number: 592187 Size: LF
(1)Right Front Frame Rail
(2)Horn Assembly
(3)C103
Figure 4:

Cooling Fans
Object Number: 859061 Size: LF
(1)Engine Wiring Harness
(2)C105
(3)Cooling Fan - Right Connector
(4)Cooling Fan Jumper Wiring Harness
(5)Cooling Fan - Left Connector
Figure 5:

Upper Rear of the Engine Components (LG8)
Object Number: 1219598 Size: MF
(1)Generator B+
(2)Generator
(3)Generator Connector
(4)Engine Wiring Harness
(5)C102
(6)Heated Oxygen Sensor (HO2S) 1
(7)Ignition Control Module (ICM), C2
(8)Ignition Control Module (ICM), C3
Figure 6:

Left Side of Engine Compartment (LG8)
Object Number: 849492 Size: MF
(1)G111
(2)G113
(3)C113
(4)Electronic Brake Control Module (EBCM) Connector (JL9)
(5)C101
(6)A/C Refrigerant Pressure Sensor Connector
(7)Wheel Speed Sensor (WSS) - LF (JL9)
Figure 7:

Left Rear of the Engine Compartment
Object Number: 1095521 Size: LF
(1)P103
(2)I/P Wiring Harness
(3)Cruise Control Module (CCM) Connector
(4)Cruise Control Module (CCM) (K34)
(5)Electronic Brake Control Module (EBCM) (JL9)
(6)Electronic Brake Control Module (EBCM) Connector (JL9)
(7)Engine Wiring Harness
(8)Brake Fluid Level Switch
(9)C101
(10)A/C Refrigerant Pressure Sensor
(11)Engine Wiring Harness
(12)G171 (JL9)
Figure 8:

IP Harness Passthrough to Engine Compartment
Object Number: 581306 Size: LF
(1)P100
Figure 9:

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 10:

Lower Left of the I/P (1 of 2)
Object Number: 1254617 Size: LF
(1)Cruise Control Release Switch
(2)Stop Lamp Switch
(3)C201
(4)Stop Lamp Switch Connector C2
(5)Stop Lamp Switch Connector C1
(6)C207
(7)C216
(8)C215
(9)C201
(10)G201
(11)C205 (UK3)
Figure 11:

Vehicle Fuel Tank
Object Number: 374824 Size: LF
(1)C405
Figure 12:

Behind the Right Side of the I/P
Object Number: 1162362 Size: LF
(1)Vacuum Reservoir
(2)G200
(3)Fuse Block - I/P
(4)C200
(5)Blower Motor
(6)Blower Motor Resistor Assembly (CJ3)/Blower Motor Control Processor (CJ2)
(7)P100
(8)Vacuum Reservoir
(9)Black Vacuum Hose
(10)Air Temperature Actuator - Right
(11)Automatic Headlamp Relay
(12)Rear Compartment Lid Release Relay
(13)Rear Window Defogger Relay
(14)Retained Accessory Power (RAP) Relay
(15)I/P Wiring Harness
(16)Air Temperature Actuator - Left
Figure 13:

Right Side of the I/P - Front
Object Number: 1250639 Size: LF
(1)C200
(2)G200
(3)Fuse Block - I/P
(4)I/P Wiring Harness
(5)C290
(6)Body Wiring Harness
(7)C200
Figure 14:

Right Side of Instrument Panel - Rear
Object Number: 855481 Size: LF
(1)Park Lamp Relay
(2)Brake to Shift Relay
(3)P100
(4)Fuse Block-I/P
Figure 15:

Cigar Lighter
Object Number: 1252910 Size: MF
(1)C242
Figure 16:

Left Side of the Passenger Compartment
Object Number: 1340808 Size: MF
(1)Body Wiring Harness
(2)C351
(3)Park Brake Cable
(4)G301
(5)C301
(6)C311
(7)Body Wiring Harness
Figure 17:

Lower RH A Pillar
Object Number: 581286 Size: LF
(1)P500
(2)C301
Figure 18:

Lower LH A Pillar
Object Number: 581287 Size: LF
(1)P600
(2)C302
Figure 19:

LH Pillar B
Object Number: 581288 Size: LF
(1)P700 LH Shown, P800 RH Similar
(2)C351 LR Shown, RR C352 Similar
Figure 20:

Right Side Of Passenger Compartment
Object Number: 1340816 Size: MF
(1)C352
(2)Body Wiring Harness
(3)C405
Figure 21:

Left Side of Rear Window Shelf
Object Number: 885618 Size: MF
(1)Cellular Antenna Connector (UE1)
(2)C404 (UE1)
(3)Body Wiring Harness
(4)C403 (UE1)
(5)Navigation Antenna Connector (UE1)
Figure 22:

Right Side of the Rear Window Shelf
Object Number: 1389170 Size: MF
(1)C420
(2)C399
(3)C390
(4)Rear Window Defogger Connector, C1
Figure 23:

Right Side of Rear Compartment
Object Number: 1389386 Size: MF
(1)Rear Compartment Courtesy Lamp Connector
(2)C399
(3)C402
(4)C410
(5)G402
Figure 24:

Left Side of Rear Compartment
Object Number: 1367423 Size: LF
(1)Speaker - RR Connector
(2)G401
(3)P425
(4)Evaporative Emissions (EVAP) Canister Vent Solenoid Connector
(5)C402
Figure 25:

Right Side of the Luggage Compartment (US6)
Object Number: 1367608 Size: MF
(1)C399
(2)Fixed Mast Antenna
Figure 26:

Rear Compartment Lid
Object Number: 581296 Size: LF
(1)Rear Compartment Lid Ajar Switch Connector
(2)Rear Compartment Lid Lock Release Actuator Connector
(3)P932
(4)P430
(5)C410
(6)C915
Figure 27:

LR of the Vehicle
Object Number: 1318236 Size: LF
(1)Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
(2)Body Wiring Harness
(3)Evaporative Emissions (EVAP) Canister
(4)P425
(5)Body Wiring Harness
Figure 28:

Left Rear of Vehicle
Object Number: 1366158 Size: LF
(1)C401 Shown, C402 Similar
(2)Tail/Stop and Turn Signal Lamp - Left Shown, Right Similar
(3)Marker Lamp - LR Shown, RR Similar
(4)P401 Shown, P402 Similar
Figure 29:

Rear of the Vehicle
Object Number: 1365922 Size: LF
(1)C915
(2)P915
(3)Rear Compartment Lid Lock Release Actuator
(4)Rear Compartment Lid Applique
(5)License Lamps
(6)Tail Lamp - Right
(7)Back Up Lamps
(8)Tail Lamp - Left