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

Steering Column


Object Number: 900962  Size: MF
(1)Ignition Switch
(2)Passlock Sensor
(3)Ignition Key Alarm Switch
(4)Ignition Lock Cylinder Control Actuator (M32 Only)
(5)Steering Column
Figure 2:

G100, G101, G102 (M12)


Object Number: 1509957  Size: LF
(1)S100
(2)C109
(3)C100
(4)Fuse Block - Underhood C1
(5)G101
(6)Engine Control Module (ECM)
(7)G100
(8)C110
(9)G102
(10)C108
(11)S117
(12)S102
Figure 3:

G100, G101, G102 (M32)


Object Number: 1509956  Size: LF
(1)S100
(2)C109
(3)C100
(4)Fuse Block - Underhood C1
(5)S112
(6)S114
(7)S101
(8)S116
(9)Engine Control Module (ECM)
(10)Transmission Control Module (TCM)
(11)S115
(12)G101
(13)G100
(14)C110
(15)G102
(16)S102
(17)C108
(18)C175
Figure 4:

G103 and Fuse Block-Underhood


Object Number: 1392457  Size: LF
(1)I/P Harness
(2)Fuse Block - Underhood
(3)G103
Figure 5:

G105


Object Number: 1551277  Size: LF
(1)C103
(2)Fuse Block - Underhood C4
(3)Battery Feed
(4)S111
(5)Cooling Fan 2 Relay
(6)G105
(7)Cooling Fan 1 Relay
(8)S106
(9)Cooling Fan Connector
(10)S104
(11)S103
(12)Ambient Air Temperature Sensor Connector
(13)Headlamp - High Beam Right Connector
(14)Headlamp - Low Beam Right Connector
(15)Horn Assembly Connector
(16)S105
Figure 6:

G200, SP200, SP201


Object Number: 1254116  Size: LF
(1)S205
(2)S206
(3)Instrument Panel Cluster Connector
(4)Mode Actuator Connector
(5)Noise Compensation Microphone Connector
(6)Ambient Light Sensor Connector
(7)Radio Connector C1
(8)Air Temperature Actuator
(9)HVAC Connector Module Connector C1,C2
(10)Evaporator Temperature Sensor Connector
(11)Inflatable Restraint I/P Module Connector
(12)S209
(13)Blower Motor Connector
(14)Recirculation Actuator Connector
(15)Inflatable Restriaint I/P Module Disable Switch Connector
(16)I/P Compartment Lamp Connector
(17)Blower Motor Resistor Connector
(18)Rear Compartment Lid Release Switch - Interior Connector
(19)Auxiliary Power Outlet Front #2 Connector
(20)C205
(21)S208
(22)S207
(23)Auxiliary Power Outlet Front #1 Connector
(24)Splice Pack SP200, G200
(25)Turn Signal/Hazard Flasher Module Connector
(26)Stop Lamp Switch Connector
(27)Data Link Connector (DLC)
(28)Inflatable Restraint Steering Wheel Coil Connector
(29)Splice Pack SP201
(30)Headlamp Switch Connector
(31)C201
(32)Accelerator Pedal Position (APP) Sensor Connector
Figure 7:

G300


Object Number: 1254130  Size: LF
(1)Center Console Switch Assembly Connector
(2)Automatic Transmission Shift Lock Actuator Connector
(3)Auxiliary Message Center (SEO) Connector
(4)Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector
(5)S319
(6)C300
(7)G301
(8)Inflatable Restraint Side Impact Module - Left Connector
(9)Seat Belt Pretensioner - LF Connector
(10)Fuse Block - Rear C4 Connector
(11)C202
(12)S300
(13)Remote Control Door Lock Receiver (RCDLR) Connector
(14)Body Control Module (BCM) C1, C2, C3, C4, C5 Connectors
(15)C200
(16)C204
(17)Fuse Block - Rear C1 Connector
(18)S318
(19)Park Brake Switch Connector
(20)G300
(21)S202
(22)S200
(23)S203
(24)C501
(25)C500
(26)I/P Harness
Figure 8:

G301, G302, SP300


Object Number: 1236084  Size: LF
(1)C303
(2)C600
(3)C601
(4)G301
(5)Seat Belt Pretensioner - RF
(6)Inflatable Restraint Side Impact Module - Right
(7)C306
(8)S303
(9)C308
(10)Roof/Door Module C1
(11)Roof/Door Module C2
(12)Relay Block - Rear
(13)D300
(14)Speaker - LR
(15)Audio Amplifier C3
(16)Audio Amplifier C1
(17)Splice Pack SP300
(18)Audio Amplifier C2
(19)S307
(20)Speaker - RR
(21)C309
(22)C202
(23)C204
(24)C200
(25)Fuse Block - Rear C2
(26)S306
(27)Fuse Block - Rear C3
(28)S301
(29)S302
(30)G302
Figure 9:

G400, G401, G402, G404, G405 and Battery


Object Number: 1392459  Size: LF
(1)G405
(2)G404
(3)Battery
(4)G402
(5)G401
(6)G400
Figure 10:

Junction Block - Underhood and Battery Harness


Object Number: 1414559  Size: LF
(1)Junction Block - Underhood
(2)Battery Positive Cable
(3)S113
(4)Fusible Link
(5)Engine Positive Cable