GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Regal (China) (CNG) 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Harness Routing Views
Figure 1:

Left Side of Engine Compartment, on the Strut Tower
Object Number: 471409 Size: LF
(1)Two (2) Stage Orifice Connector
(2)C101
Figure 2:

Top Right Side of Engine
Object Number: 472438 Size: LF
(1)Ignition Control Module Connector, C1
(2)Ignition Control Module Connector, C2
(3)C102 (Inline Connector to Fuel Injector Wiring Jumper Harness
Figure 3:

Right Front Side of Vehicle
Object Number: 500367 Size: LF
(1)C142 (Inline Connector to Headlamp Assembly)
(2)Right Side Repeater Lamp Connector
Figure 4:

Left Front Side of Vehicle
Object Number: 500368 Size: LF
(1)Left Side Repeater Lamp Connector
(2)Forward Lamp Wiring Harness
Figure 5:

Front of Engine Compartment
Object Number: 471548 Size: LF
(1)C105 (Cooling Fan Jumper)
(2)C105 (Engine Wiring Harness)
(3)RH Engine Coolant Fan Motor
(4)LH Engine Coolant Fan Motor
Figure 6:

Left Side of Engine Compartment
Object Number: 471532 Size: LF
(1)C111
(2)Park Neutral Position (PNP) Switch
(3)Park Neutral Position (PNP) Switch Connector, C1
(4)Park Neutral Position (PNP) Switch Connector, C2
(5)EBCM Connector
(6)C101
(7)G119
(8)A/C Pressure Sensor Connector
(9)C171
(10)G113
(11)G113 (From Battery)
(12)G117
Figure 7:

Right Forward Side of Engine Compartment
Object Number: 472442 Size: LF
(1)C120
Figure 8:

Front Headlamp
Object Number: 472448 Size: LF
(1)C141 (LH Shown), C142 (RH Similar)
(2)Position Lamp
(3)Turn Lamp
(4)Cornering Lamp
(5)Headlamp, High Beam
(6)Headlamp, Low Beam
Figure 9:

Right Front Wheel
Object Number: 472452 Size: LF
(1)Right Front Wheel Speed Sensor
(2)C172 (Inline Connector to Engine Harness)
Figure 10:

Front Right Side of Engine Compartment
Object Number: 473206 Size: LF
(1)Battery
(2)Underhood
(3)IP Wiring Harness
(4)C206 (Power Drop Connector)
Figure 11:

Below Steering Column
Object Number: 472399 Size: LF
(1)Stop Lamp Switch Connector, C1 (IP harness)
(2)Stop Lamp Switch, C2 (IP harness)
(3)C216 (Inline Connector to Inflatable Restraint IP Module)
(4)C201 (Inline Connector to Steering Column, IP Harness)
(5)C215 (Inline Connector to Inflatable Restraint Steering Wheel Module, IP Harness)
(6)C215 (Inline to Inflatable Restraint Steering Wheel Module, Steering Wheel Harness)
(7)C201 (Inline Connector to Steering Wheel, Steering Wheel Harness)
(8)G203
(9)Stop Lamp Switch, C2 (Steering Column Harness)
Figure 12:

Center of Instrument Panel
Object Number: 472462 Size: LF
(1)C242
Figure 13:

Behind Right Side of Instrustment Panel
Object Number: 472400 Size: LF
(1)Radio
(2)Antenna Lead
(3)C290
Figure 14:

Front Center Console
Object Number: 500369 Size: LF
(1)Radio Control Switch (Rear)
(2)Radio Control Switch (Rear) Connector
(3)Rear Heater-A/C Control Module
(4)Rear Heater-A/C Control Module Connector
Figure 15:

Left Front Door Shown, Right Front Door Similar
Object Number: 472404 Size: LF
(1)Power Window Switch Connector
(2)Power Outside Rearview Mirror Connector
(3)P301
(4)C301
(5)LF Radio Speaker
(6)Power Window Switch Connector
(7)Power Door Lock Motor Connector
(8)Outside Rearview Mirror Switch Connector
(9)Power Window Regulator Motor Connector
(10)Power Door Lock Switch Connector
(11)Power Outside Rearview Mirror Switch Connector
Figure 16:

Right Side of Pasenger Compartment
Object Number: 472465 Size: LF
(1)C352
(2)P372
(3)C302
Figure 17:

Forward Passenger Compartment, Left Side
Object Number: 472406 Size: LF
(1)C311
(2)Main Body Wiring Harness
(3)C312
Figure 18:

Rear Door
Object Number: 472403 Size: LF
(1)Power Window Switch Connector
(2)Cigar Lighter Connector
(3)P701
(4)C351
(5)Power Window Regulator Motor Connector
(6)Power Door Lock Motor Connector
(7)Power Door Ajar Switch Connector
Figure 19:

Left Rear Wheel, Shown (Right Rear Wheel, Similar)
Object Number: 472466 Size: LF
(1)P371 (LH Shown), P372 (RH Similar)
(2)Rear Wheel Speed Sensor
(3)C371 (LH Shown), C372 (RH Similar)
Figure 20:

Roof, Inside Passenger Compartment
Object Number: 472408 Size: LF
(1)Rearview Mirror Connector
(2)Read/Courtesy Lamp Connector
(3)C390
(4)Dome Lamp Connector
Figure 21:

Inside Rear Compartment Lid
Object Number: 472475 Size: LF
(1)C915 (Inline Connector to Backup Lamp Applique)
(2)Rear Compartment Lid Release Actuator Solenoid Connector
(3)P430
(4)P932
(5)C410 (Inline Connector to Main Body Wiring Harness
(6)Rear Compartment Lid Ajar Switch Connector
Figure 22:

Left Rear Compartment/Wheel Well
Object Number: 473208 Size: LF
(1)G401 (LH Rear Shelf Ground)
(2)P425 (EVAP Canister Vent Solenoid Valve Connector)
(3)C401
Figure 23:

Right Side of Rear Compartment/Under Rear of Vehicle
Object Number: 472407 Size: LF
(1)C405 (Main Body)
(2)Fuel Sender Assembly
(3)C405 (Fuel Tank)
(4)Fuel Tank
(5)P375
Figure 24:

Roof, Inside Passenger Compartment
Object Number: 472481 Size: LF
(1)C420
Figure 25:

Fornt Right Side of Engine Compartment
Object Number: 473206 Size: LF
(1)Battery
(2)Underhood Accessory Wiring Junction Block
(3)G100 (Batttery Ground)
(4)Postive Battery Terminal
Figure 26:

Front of Vehicle
Object Number: 471408 Size: LF
(1)G101
(2)Corning Lamp Connector
(3)C141
(4)Fog Lamp Connector, LH
(5)Ambient Air Temperature Guage Sensor Connector
(6)Fog Lamp Connector, RH
(7)Horn Connector
(8)C142
(9)Corning Lamp Connector, RH
(10)Underhood Accessory Wiring Junction Block Connector, C3
Figure 27:

Front Left Side of Engine Compartment
Object Number: 473214 Size: LF
(1)G111
Figure 28:

Upper Left Engine Compartment Bulkhead
Object Number: 473203 Size: LF
(1)P101
(2)G201
Figure 29:

Below IP, Right Side of the Steering Column
Object Number: 473215 Size: LF
(1)Instrument Panel Wiring Harness
(2)G203 (Radio and IP ELectronics Ground)
Figure 30:

Left Side of Passenger Compartment
Object Number: 472405 Size: LF
(1)C301
(2)C311
(3)P371
(4)C351
(5)G301
Figure 31:

Left Rear Window Package Shelf
Object Number: 500365 Size: LF
(1)Rear Window Defogger Connector, C1
(2)G401
(3)Main Body Harness
Figure 32:

Below Left Rear Package Shelf
Object Number: 472469 Size: LF
(1)C395 (Inline Connector to Power Antenna)
(2)C410 (Inline Connector to Rear Compartment Lid Lock Release Solenoid)
(3)C402 (Inline Connector to Tail Lamp Harness)
(4)G402
(5)C390 (Inline Connector to Radio Antenna)
Figure 33:

Right Rear Window Package Shelf
Object Number: 500364 Size: LF
(1)C395 (Inline Connector to Power Antenna Module)
(2)C399 (Inline Connector to Radio Antenna)
(3)Right Rear Radio Speaker Connector
(4)C420 (Inline Connector to Center High Mounted Stop Lamp)
(5)G402
(6)C390 (Inline Connector to Roof/Quarter Courtesy Lamp Wiring Harness
Figure 34:

Right Side Bulkhead, Below IP
Object Number: 473212 Size: LF
(1)P100
Figure 35:

Rear Compartment Lid
Object Number: 472483 Size: LF
(1)C915 (Inline Connector to Rear Compartment Lid Applique)
(2)P915
(3)Rear Compartment Lid Applique
Figure 36:

Base of Windshield/Top of Engine Compartment
Object Number: 473211 Size: LF
(1)Windshield Wiper Motor
(2)P103
(3)P101
Figure 37:

Rear of Vehicle
Object Number: 472472 Size: LF
(1)C401 (LH Shown), C402 (RH Similar)
(2)Tail/Stop Lamp Applique
(3)P401 (LH Shown), C402 (RH Similar)