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

Engine Compartment Harness


Object Number: 1553826  Size: MF
(1)Windshield Wiper Motor Connector
(2)Engine Control ModuleConnector
(3)LH Front Wheel Speed Sensor Connector
(4)LH Turn Signal and Park Lamp Connector
(5)LH Marker Lamp Connector
(6)LH Headlamp Connector
(7)Front Body Harness to Fog Lamp Harness Connector
(8)LF Fog Lamp Connector
(9)Fog Lamp Harness to Front Body Harness Connector
(10)LH Horn Connector
(11)A/C Pressure Sensor Connector
(12)Front Body Harness to Powertrain Harness Connector
(13)Engine Cooling Fans Connector
(14)Hood Theft Deterrent Connector
(15)RH Horn Connector
(16)Daytime Running Lamp Resistor Connector
(17)RH Fog Lamp Connector
(18)Windshield Washer Motor Connector
(19)RH Headlamp Connector
(20)RH Marker Lamp Connector
(21)RH Turn Signal and Park Lamp Connector
(22)Fusible Link Supply Connector
(23)Ground Connector Splice Pack 102
(24)Front Body Harness to Battery Wiring Harness Connector
(25)ABS Bracket Connector
(26)Engine Wiring Harness Junction Connector
(27)RH Front Wheel Speed Sensor Connector
(28)EBCM Connector
Figure 2:

Instrument Panel Main Harness


Object Number: 1264099  Size: MF
(1)Main Wiring Harness to Powertrain Harness Connector
(2)Radio Front Upper Dash Speaker Connector
(3)Automatic Headlamp Control Switch Connector
(4)Sunroof Control Module Connetor (Not available on this vehicle)
(5)Fuel Filler Door Release Connector
(6)Data Link Connector
(7)Instrument Cluster Connector
(8)Step Well Lamp Connector
(9)Stop Lamp Switch Connector
(10)Trip Computer Switch Computer
(11)Inside Air Temperature Connector
(12)Radio Connector
(13)Hazard Switch Connector
(14)Ambient Light Sensor Connector
(15)Blower Motor and A/C Compressor Connector
(16)Front Cigar Lighter Connector
(17)Cellular Phone Connector
(18)Trunk Release Switch Connector
(19)Blower Motor Resistor Connector
(20)Body Main Wiring Harness to Body Wiring Harness Connector
(21)Body Main Wiring Harness to Passenger Air Bag Harness Connector
(22)Instrument Panel Lamp Switch Connector
(23)Front Upper Dash Speaker Connector
(24)Body Control Module (BCM) Connector
(25)Engine Main Harness to Body Wiring Harness Connector
(26)Engine Main Harness to Body Wiring Harness Connector
(27)Body Control Module (BCM) Connector
(28)Body Control Module (BCM) Connector
(29)Instrument Panel Lamp Connector
(30)Step Well Lamp Connector
(31)Engine Main Harness to Body Wiring Harness Connector
(32)Engine Main Harness to Body Wiring Harness Connector
(33)Side Air bag Harness to Body Wiring Harness Connector
(34)Engine Main Harness to Transmission Selector Harness Connector
(35)Stop Lamp, Traction and Cruise Control Release Switch Connector
(36)Stop Lamp, Traction and Cruise Control Release Switch Connector
(37)Ignition Lock Cylinder Bulb Connector
(38)Cruise Control Switch Connector
(39)Ignition and Start Switch Connector
(40)Windshield Wiper Module
(41)Turn Signal and Headlamp Switch Connector
(42)Steering Wheel SIR Coil Connector
(43)Windshield Wiper and Washer Switch Connector
(44)Ignition and Start Switch Terminal
(45)Ignition and Start Switch Connector
(46)Radio Antenna Amplifier Connector
(47)Radio Antenna Connector
Figure 3:

Steering Column Harness


Object Number: 1264648  Size: MF
(1)Winshield Wiper/Washer Switch Connector
(2)Turn Signal C1 and C2 Connector
(3)Ignition Lock Cylinder Bulb Connector
(4)Ignition and Start Switch Connector
(5)Ignition and Start Switch Terminal
(6)Ignition and Start Switch Connector
(7)Data Link Connector
(8)Stepwell Lamp Connector
(9)Windshield Wiper Module Connector
(10)Cruise Control Switch
(11)SIR Coil Connector
(12)Steering Wheel Inflatable restraint Module Connector
(13)Steering Wheel Horn Connector
(14)Radio Control Switch Connector
Figure 4:

Ground Locations


Object Number: 1505501  Size: LF
(1)G104
(2)G102
(3)G103
(4)G900
(5)G901
(6)G301
(7)G300
(8)G105