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

LNK Engine Compartment Connector Locations - 1 of 2


Object Number: 874114  Size: MF
(1)Engine Harness
(2)Engine Compartment Harness
(3)Camshaft Position Sensor
(4)Engine Coolant Temperature Sensor
(5)Camshaft Timing Oil Control Valve (VVTL)
(6)Cruise Control Actuator
(7)Brake Fluid Level Warning Switch
(8)Front Wiper Motor
(9)LH Front ABS Speed Sensor
(10)Back-up Light Switch
(11)LH Front Parking/Turn Signal Light
(12)LH Headlight (Low)
(13)LH Headlight (High)
(14)LH Front Fog Light
(15)LH Front Airbag Sensor
(16)Transmission Solenoid
(17)Horn
(18)Ambient Temperature Sensor
(19)Crankshaft Position Sensor
(20)A/C Clutch
(21)RH Front Airbag Sensor
(22)RH Front Fog Light
(23)RH Headlight (High)
(24)Front Washer Motor
(25)RH Headlight (Low)
(26)RH Front Parking/Turn Signal Light
(27)Generator
(28)Generator
(29)RH Front ABS Speed Sensor
(30)Camshaft Timing Oil Control Valve (VVT)
Figure 2:

LNK Engine Compartment Connector Locations - 2 of 2


Object Number: 874117  Size: MF
(1)Fuel Injector No. 1
(2)Ignition Coil No. 1
(3)Fuel Injector No. 2
(4)Ignition Coil No. 2
(5)Engine Compartment Harness
(6)Engine Harness
(7)Ignition Coil No. 3
(8)Fuel Injector No. 3
(9)Ignition Coil No. 4
(10)Fuel Injector No. 4
(11)Oil Pressure Switch (VVTL)
(12)Evap VSV
(13)Canister Closed Valve VSV
(14)Mass Air Flow Sensor
(15)Junction Connector
(16)ACIS VSV
(17)Throttle Position Sensor
(18)O/D Direct Clutch Speed Sensor
(19)Ignition Noise Filter
(20)Vehicle Speed Sensor
(21)Engine Cooling Fan Resistor
(22)Park/Neutral Position Switch
(23)Engine Cooling Fan Motor
(24)Idle Air Control Valve
(25)Starter
(26)Starter
(27)Oil Pressure Switch
(28)Washer Fluid Level Sensor
(29)Rear Washer Motor
(30)Pressure Switch
(31)Electronic Brake Control Module
(32)Knock Sensor
(33)Power Steering Oil Pressure Switch
Figure 3:

LNK Engine Compartment Ground and Inline Connector Locations


Object Number: 874129  Size: MF
(1)Engine Compartment Harness
(2)G104
(3)G105
(4)G103
(5)C100
(6)Engine Harness
(7)G102
Figure 4:

LNK Engine Compartment Splice Locations


Object Number: 874131  Size: MF
(1)Engine Compartment Harness
(2)S105
(3)S103
(4)S106
(5)Engine Harness
(6)S101
Figure 5:

LV6 Engine Compartment Connector Locations-1 of 2


Object Number: 874118  Size: MF
(1)Engine Harness
(2)Engine Compartment Harness
(3)Camshaft Position Sensor
(4)Heated Oxygen Sensor 1
(5)Engine Coolant Temperature Sensor
(6)Cruise Control Actuator
(7)Brake Fluid Level Warning Switch
(8)Front Wiper Motor
(9)LH Front ABS Speed Sensor
(10)Back-up Light Switch
(11)LH Front Parking/Turn Signal Light
(12)LH Headlight (Low)
(13)LH Headlight (High)
(14)Radiator Fan Resistor
(15)LH Front Airbag Sensor
(16)Transmission Solenoid
(17)Horn
(18)Ambient Temperature Sensor
(19)A/C Clutch
(20)RH Front Airbag Sensor
(21)RH Front Fog Light
(22)RH Headlight (High)
(23)Front Washer Motor
(24)RH Headlight (Low)
(25)RH Front Parking/Turn Signal Light
(26)Generator
(27)RH Front ABS Speed Sensor
(28)Generator
(29)Crankshaft Position Sensor
(30)Camshaft Timing Oil Control Valve (VVT)
Figure 6:

LV6 Engine Compartment Connector Locations-2 of 2


Object Number: 874119  Size: MF
(1)Power Steering Oil Pressure Switch
(2)Ignition Coil No. 1
(3)Fuel Injector No. 2
(4)Ignition Coil No. 2
(5)Engine Harness
(6)Engine Compartment Harness
(7)Ignition Coil No. 3
(8)Fuel Injector No. 3
(9)Ignition Coil No. 4
(10)Fuel Injector No. 4
(11)Vehicle Speed Sensor (Instrument Cluster)
(12)Ignition Noise Filter
(13)EVAP VSV
(14)Canister Closed VSV
(15)Mass Air Flow Sensor
(16)Junction Connector
(17)Vehicle Speed Sensor (Transmission)
(18)Throttle Position Sensor
(19)Engine Cooling Fan Resistor
(20)Park/Neutral Position Switch (AWD)
(21)Engine Cooling Fan Motor
(22)Park/Neutral Position Switch (2WD)
(23)Idle Air Control Valve
(24)Starter
(25)Starter
(26)Oil Pressure Switch
(27)Knock Sensor
(28)Rear Washer Motor
(29)Washer Fluid Level Sensor
(30)Pressure Switch
(31)Electronic Brake Control Module
(32)Fuel Injector No. 1
Figure 7:

LV6 Engine Compartment Ground and Inline Connector Locations


Object Number: 874134  Size: MF
(1)Engine Compartment Harness
(2)G104
(3)G105
(4)G103
(5)C100
(6)Engine Harness
(7)G102
Figure 8:

LV6 Engine Compartment Splice Locations


Object Number: 874134  Size: MF
(1)Engine Compartment Harness
(2)Engine Harness
(3)S106
(4)S103
(5)S105
(6)S101
(7)G102
Figure 9:

Instrument Panel Inline Connector Locations


Object Number: 874139  Size: MF
(1)C202
(2)C226
(3)Instrument Panel Harness No. 4
(4)Engine Compartment Harness
(5)Instrument Panel Harness
(6)A/C Harness
(7)Engine Harness
(8)RH Front Door Harness
(9)Console Harness
(10)Instrument Panel Harness No. 3
(11)C214
(12)Floor Harness
(13)C222
(14)C206
(15)C216
(16)C215
(17)LH Front Door Harness
(18)Door Harness
(19)C204
(20)C203
(21)C201
(22)Roof Harness
(22)Roof Harness
Figure 10:

Instrument Panel Ground Locations


Object Number: 874143  Size: MF
(1)G201
(2)G202
(3)G200
Figure 11:

Instrument Panel Inline Connector Locations


Object Number: 874183  Size: MF
(1)C211
(2)Engine Compartment Harness
(3)Instrument Panel Harness
(4)A/C Harness
(5)C207
(6)Engine Harness
(7)C208
(8)C209
(9)C210
(10)RH Front Door Harness
(11)C218
(12)C227
(13)C217
(14)Console Harness
(15)C221
(16)Instrument Panel Harness No. 3
(17)C224
(18)Floor Harness
(19)LH Front Door Harness
(20)Instrument Panel Harness No. 4
(21)Roof Harness
Figure 12:

Instrument Panel Splice Locations


Object Number: 875677  Size: MF
(1)S111
(2)S214
(3)S223
(4)S110
(5)S123
(6)S111
(7)S100
(8)S104
(9)S202
(10)S120
(11)S210
(12)S217
(13)S211
(14)S121
Figure 13:

Body Connector and Ground Locations


Object Number: 874185  Size: MF
(1)Roof Harness
(2)Instrument Panel Harness No. 3
(3)RH Front Door Harness
(4)C302
(5)RH Rear Door Harness
(6)Liftgate Harness No. 1
(7)C300
(8)C301
(9)C205
(10)G301
(11)Liftgate Harness No. 2
(12)C401
(13)C400
(14)RH ABS Sensor Harness
(15)G300
(16)LH ABS Sensor Harness
(17)C205
(18)LH Rear Door Harness
(19)Instrument Panel Harness
(20)Floor Harness
(21)C303
(22)LH Front Door Harness
(23)Instrument Panel Harness
Figure 14:

Body Harness Splice Locations


Object Number: 874188  Size: MF
(1)S301
(2)S300
(3)S302
(4)S600
(5)S401
(6)S400
(7)S302
(8)S223
(9)S500
(10)S500
Figure 15:

Body Connector Locations - 1 of 2


Object Number: 874126  Size: MF
(1)LH Speaker
(2)Floor Harness
(3)RH Side Airbag Module
(4)Roof Harness
(5)RH Front Power Window Motor
(6)Sunroof Motor and Limit Switch
(7)Sunroof Control Relay
(8)RH Power Mirror
(9)RH Speaker
(10)RH Front Power Window Switch
(11)RH Side Airbag Sensor
(12)Luggage Compartment Light
(13)RH Rear Power Window Switch
(14)RH Rear Power Window Motor
(15)Right Rear Door Harness
(16)RH Rear Door Speaker
(17)Tailgate Harness
(18)RH Pretensioner
(19)RH Rear Combination Light
(20)RH License Plate Light
(21)LH License Plate Light
(22)Rear Wiper Relay
(23)Vacuum Switching Valve (VSV) (AWD)
(24)LH Rear Combination Light
(25)Noise Filter
(26)Vapor Pressure Sensor (2WD)
(27)Floor Harness
(28)Vacuum Switching Valve (VSV) (2WD)
(29)Vapor Pressure Sensor (AWD)
(30)LH Rear Power Window Motor
(31)LH Rear Door Speaker
(32)LH Pretensioner
(33)LH Side Airbag Sensor
(34)LH Side Airbag Module
(35)LH Rear Power Window Switch
(36)Drivers Door Harness
(37)LH Front Power Window Motor
(38)LH Power Mirror
Figure 16:

Body Connector Locations - 2 of 2


Object Number: 1467461  Size: MF
(1)Floor Harness
(2)Vanity Mirror Light
(3)Roof Harness
(4)RH Front Door Speaker
(5)RH Seat Belt Buckle Switch
(6)Interior Light
(7)RH Front Door Lock Control Switch
(8)RH Front Door Key Switch and Door Lock Motor
(9)RH Front Door Courtesy Switch
(10)Right Rear Door Harness
(11)RH Rear Door Lock Motor
(12)Center High Mount Stop Lamp
(13)Door Control Module
(14)Floor Harness
(15)RH Rear Door Courtesy Switch
(16)Subwoofer Connector
(17)Liftgate Courtesy Switch and Opener Motor
(18)Junction Switch
(19)Door Courtesy Diode
(20)Liftgate Courtesy Switch and Door Lock Motor
(21)Tailgate Harness
(22)Junction Connector
(23)RH Rear ABS Speed Sensor
(24)Junction Conector
(25)Junction Conector
(26)Junction Conector
(27)Fuel Pump and Sender (2WD)
(28)Floor Harness
(29)LH Rear ABS Speed Sensor
(30)Fuel Pump and Sender (4WD)
(31)LH Rear Door Courtesy Switch
(32)LH Rear Door Lock Motor
(33)LH Seat Buckle Switch and Seat Position Sensor
(34)Left Rear Door
(35)Drivers Courtesy Switch
(36)Door Harness
(37)Drivers Door Lock Switch
(38)Left Front Door Speaker
(39)Master Door Lock Switch
(40)Master Door Lock Switch
Figure 17:

Instrument Panel Connector Locations - 1 of 2


Object Number: 874123  Size: MF
(1)Accessory Power Receptical Switch
(2)Hazard Switch
(3)Rear Defogger Switch
(4)Front Passenger Seat Belt Warning Light
(5)Radio
(6)Radio
(7)Instrument Panel Harness
(8)Accessory Power Receptical (115V)
(9)Glass Breakage Sensor
(10)Starter Cut Relay
(11)SP107 C1
(12)SP107 C2
(13)TVIP ECU
(14)Junction Connector
(15)Junction Connector
(16)Heated Oxygen Sensor 2 (LV6 w/AWD)
(17)Rear Power Outlet
(18)Junction Connector
(19)Parking Brake Switch
(20)Heated Oxygen Sensor 2 (LNK)
(21)Shift Lock Control Module
(22)Voltage Inverter
(23)Heated Oxygen Sensor 1 (LNK)
(24)Heated Oxygen Sensor (LV6 2WD)
(25)Ignition Switch
(26)Unlock Warning Switch
(27)I/P Harness
(28)Stop Light Switch
(29)Integration Relay
(30)Security Indicator
(31)Turn Signal Flasher Relay
(32)Liftgate Opener Switch
(33)Dimmer Switch
(34)Rear Wiper Relay 1
(35)Power Mirror Switch
(36)Junction Connector
Figure 18:

Instrument Panel Connector Locations - 2 of 2


Object Number: 874122  Size: MF
(1)Automatic Light Control Sensor
(2)Cruise Control Electronic Control Module
(3)Daytime Running Light Relay
(4)Instrument Cluster
(5)Multifunction Switch
(6)Multifunction Switch
(7)A/C Control Switch
(8)Antenna Amplifier
(9)Blower Switch
(10)Instrument Panel Harness
(11)Air Inlet Control Servo Motor
(12)I/P Airbag Module
(13)Blower Resistor
(14)Defroster Mode Switch
(15)Blower Motor
(16)Powertrain Control Module 1
(17)Powertrain Control Module 2
(18)Powertrain Control Module 3
(19)Powertrain Control Module 4
(20)CD Changer
(21)CD Changer
(22)Cigar Lighter Illumination
(23)O/D Switch
(24)ABS Deceleration Sensor
(25)Power Outlet
(26)Sensing and Diagnostic Module 1
(27)Sensing and Diagnostic Module 2
(28)Sensing and Diagnostic Module 3
(29)Steering Wheel Airbag Module
(30)Multifunction Switch
(31)Harness
(32)Data Link Connector
(33)Cruise Control Clutch Switch
(34)Rear Wiper Relay 1 Diode
(35)Clutch Start Switch