GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Left - Hand Drive Instrument Harness Routing


Object Number: 1262833  Size: LF
(1)Fog Lamp Switch - Front
(2)Speaker (Tweeter) - Left Front
(3)Remote Control Door Lock Receiver
(4)Rear Fog Lamp Switch
(5)Instrument Cluster
(6)Windshield Wiper Switch
(7)C218
(8)Radio
(9)Antenna Cable
(10)Hazard Switch
(11)C219
(12)Intake Actuator
(13)Speaker (Tweeter) - Right Front
(14)IP Compartment Lamp
(15)Multifunction Alarm Module
(16)Blower Motor
(17)IP Compartment Lamp Switch
(18)Blower Motor Resistor
(19)Clock
(20)A/C Control Switch
(21)Ashtray
(22)Cigar Lighter
(23)Cigar Lighter Lamp
(24)Shift Program (Hold Mode) Switch
(25)Park Position Switch
(26)A/T Shift Lock Solenoid
(27)Shift Indicator Lamp
(28)Power Mode Switch
(29)Auxiliary Power Outlet
(30)Steering Wheel Controls
(31)Headlamp Switch
(32)Turn Signal Switch
(33)IP Dimmer Switch
(34)Head Lamp Leveling Switch
(35)Data Link Connector (DLC)
(36)C205
(37)C206
(38)C216
(39)C203
(40)C204
(41)C212
(42)C213
(43)C214
(44)C217
(45)Horn Switch
Figure 2:

Right - Hand Drive Instrument Harness Routing


Object Number: 1262834  Size: LF
(1)C213
(2)Speaker (Tweeter) - Left Front
(3)Intake Actuator
(4)C219
(5)Antenna Cable
(6)Radio
(7)C218
(8)Windshield Wiper Switch
(9)Instrument Cluster
(10)Front Fog Switch
(11)Remote Control Door Lock Receiver
(12)Speaker (Tweeter) - Right Front
(13)Fog Lamp Switch - Rear
(14)Horn Switch
(15)C217
(16)I/P Relay Connector Assembly
(17)C224
(18)Multifunction Alarm Module
(19)C225
(20)Headlamp Leveling Switch
(21)IP Dimmer Switch
(22)Turn Signal Switch
(23)Headlamp Switch
(24)Auxiliary Power Outlet
(25)Shift Indicator Lamp
(26)Power Mode Switch
(27)AT Shiftlock Solenoid
(28)Park Position Switch
(29)Cigar Lighter Lamp
(30)Cigar Lighter
(31)Ashtray
(32)Data Link Connector (DLC)
(33)A/C Control Switch
(34)Hazard Switch
(35)Clock
(36)S206
(37)Blower Motor Resistor
(38)IP Comparment Lamp Switch
(39)Blower Motor
(40)C223
(41)C203
(42)C206
(43)C205
(44)C204
(45)C212
(46)C214
Figure 3:

Instrument Panel Fuse Block Harness Routing


Object Number: 1262836  Size: LF
(1)Fog Lamp Switch - Front
(2)Fog Lamp Switch - Rear
(3)Speaker (Tweeter) - Left Front
(4)Front Wiper Relay
(5)Rear Fog Relay
(6)Key Interlock Module
(7)Remote Control Door Lock Receiver
(8)Blinker Unit
(9)Daytime Running Lamp (DRL) Relay
(10)Park/Neutral Position (PNP) Relay
(11)Data Link Connector (DLC)
(12)C204
(13)C205
(14)C206
(15)C203
(16)C213
(17)C212
(18)C214
Figure 4:

Front Harness Routing


Object Number: 1262837  Size: LF
(1)Turn Signal Lamp - Right Front
(2)A/C Refregerant Pressure Sensor
(3)Turn Signal Repeater Lamp - Right
(4)Cooling Fan, Main
(5)Headlamp - Left
(6)Hood Ajar Latch
(7)Brake Fluid Level Switch
(8)Turn Signal Lamp - Left Front
(9)Windshield Wiper Motor
(10)Fuel Pump Prime Connector
(11)Oil Feeding Connector
(12)C213
(13)C214
(14)C212
(15)C207
(16)C208
(17)Turn Signal Repeater Lamp - Left
(18)C209
(19)C215
(20)Wheel Speed Sensor - Left Front
(21)C102
(22)C101
(23)Theft Deterrent Alarm
(24)Washer Motor - Front
(25)Washer Motor - Rear
(26)Fog Lamp - Left Front
(27)Ambient Temperature Sensor
(28)Horn
(29)Cooling Fan, Auxiliary
(30)A/C Compressor
(31)Horn
(32)Front Fog Lamp - Right Front
(33)Headlamp - Right
(34)C104
Figure 5:

Roof Harness Routing


Object Number: 1262838  Size: LF
(1)Roof Antenna Cable
(2)Dome Lamp
(3)Sun Roof Module
(4)Sunroof Switch/Reading Lamp
(5)C201
(6)C202
Figure 6:

Tailgate Harness Routing


Object Number: 1262839  Size: LF
(1)Rear Window Defogger (-)
(2)Rear Wiper Motor
(3)C401
(4)C402
(5)Rear Window Defogger (+)
(6)C403
(7)C404
(8)License Plate Lamp
(9)Liftgate Ajar Switch
(10)Liftgate Key Cylinder Switch
(11)Liftgate Latch
Figure 7:

Floor Harness Routing


Object Number: 1262840  Size: LF
(1)Tail Lamp - Left
(2)C401
(3)C402
(4)Speaker - Left Rear
(5)Door Ajar Switch - Left Rear
(6)C371
(7)Pretensioner - Left
(8)Door Ajar Switch - Left Front
(9)Park Brake Switch
(10)C215
(11)C216
(12)C211
(13)Seat Belt Switch
(14)C351
(15)C210
(16)Heated Oxygen Sensor (HO2S) 2
(17)C361
(18)Door Lock Relay
(19)Heated Seat Switch
(20)Door Ajar Switch - Right Front
(21)Prentensioner - Right
(22)C381
(23)C221
(24)Door Ajar Switch - Right Rear
(25)C901
(26)C902
(27)Speaker - Right Rear
(28)Auxiliary Power Outlet - Rear
(29)Tail Lamp - Right
(30)C401
(31)C405
Figure 8:

Door Harness Routing


Object Number: 1262841  Size: LF
(1)Driver Door Latch
(2)Outside Rearview Mirror Switch
(3)Outside Rearview Mirror
(4)C351
(5)Speaker - Left Front
(6)Window Motor
(7)C371/C381
(8)Window Switch
(9)Door Latch (Door Lock Actuator)