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

Forward Lamp


Object Number: 1470400  Size: MF
(1)G101
(2)Horn Assembly
(3)Hood Ajar Switch (AP3/AP8)
(4)Ambient Air Temperature Sensor
(5)G102
(6)X110
(7)Fog Lamp - Right Front (T96)
(8)Fog Lamp - Left Front (T96)
(9)Windshield Washer Fluid Pump
(10)Windshield Washer Fluid Level Switch
(11)Fuse Block - Underhood X3
(12)X109
Figure 2:

Body Harness - Engine Compartment (Coupe)


Object Number: 1577052  Size: LF
(1)Right Front Strut Tower
(2)X102 (JL9/J67)
(2)Electronic Brake Comtrol Module (EBCM) Connector (JL9/J67)
(4)X101 (JL9/J67)
(5)Left Front Strut Tower
(6)Fuse Block - Underhood X4
(7)Fuse Block - Underhood X2
(8)X108
(9)Engine Control Module (ECM) X1 (LZ9)
(10)G109
Figure 3:

Body Harness Routing - Engine Compartment (without Coupe)


Object Number: 2008174  Size: LF
(1)Windshield Wiper Motor
(2)X101 (JL9/J67)
(3)Electronic Brake Control Module (EBCM)
(4)Fuse Block - Underhood X4
(5)Fuse Block - Underhood X2
(6)X108
(7)Engine Control Module (ECM) X1
(8)G109
(9)Inflatable Restraint Front End Sensor - Left
(10)Inflatable Restraint Front End Sensor - Right
(11)X102 (JL9/J67)
(12)A/C Refrigerant Pressure Sensor (C60)
(13)Brake Fluid Level Switch
Figure 4:

Front of the Engine (LE5)


Object Number: 1555567  Size: LF
(1)Mass Air Flow (MAF) / Intake Air Temperature (IAT) Sensor Connector
(2)J101
(3)G106
(4)Fuse Block - Underhood X1
(5)X108
(6)X100
(7)J118
(8)G105
(9)X130
Figure 5:

Engine Front (LZ4)


Object Number: 1469967  Size: LF
(1)X130
(2)J119
(3)J118
(4)Fuse Block - Underhood X1
(5)X108
(6)Engine Control Module (ECM) X3
(7)Engine Control Module (ECM) X2
(8)X100
(9)Cooling Fan - Left Connector
(10)G105
(11)J111
(12)Cooling Fan - Right Connector
(13)A/C Compressor Clutch Connector
(14)Mass Air Flow (MAF) / Intake Air Temperature (IAT) Sensor Connector
Figure 6:

Front of the Engine (LZ9+MT2)


Object Number: 1554529  Size: LF
(1)X130
(2)G105
(3)Fuse Block - Underhood X1
(4)X108
(5)J118
(6)J119
(7)J111
(8)G106
(9)Engine Block
Figure 7:

Front of the Engine (LZ9+M15)


Object Number: 1554527  Size: LF
(1)X130
(2)Throttle Actuator Control (TAC) Module Connector
(3)G105
(4)X108
(5)Fuse Block Underhood X1 Connector
(6)Transmission Control Module (TCM) Connector
(7)J118
(8)J119
(9)Transmission
(10)J111
(11)Cooling Fan - Right Connector
(12)G106
Figure 8:

Front View of Engine - (LY7)


Object Number: 1858147  Size: LF
(1)G113
(2)J199
(3)X108
(4)X130
Figure 9:

Rear of the Engine (LE5)


Object Number: 1555566  Size: LF
(1)X108
(2)G110
(3)J101
(4)Cylinder Head
(5)Vehicle Speed Sensor (VSS) Connector
(6)X100
(7)Fuse Block - Underhood X1
Figure 10:

Engine Rear (LZ4)


Object Number: 1469980  Size: LF
(1)X108
(2)Engine Control Module (ECM) X3
(3)Engine Control Module (ECM) X2
(4)J118
(5)X100
(6)Exhaust Gas Recirculation (EGR) Valve Connector
(7)Generator Connector
(8)Heated Oxygen Connector (HO2S) Bank 1 Sensor 1 Connector
(9)Vehicle Speed Sensor (VSS) Connector
(10)Park/Neutral Position (PNP) Switch Connector
(11)G106
(12)Fuse Block - Underhood X1
Figure 11:

Rear View of Engine - (LY7)


Object Number: 1858150  Size: LF
(1)G105
(2)Throttle Actuator Control (TAC) Module
(3)J198
(4)G108
(5)G111
Figure 12:

Left Side of Engine (LZ4/LZ9)


Object Number: 1858134  Size: LF
(1)G106
(2)Park/Neutral Position (PNP) Switch
(3)Fuse Block - Underhood
(4)X108
(5)Engine Control Module (ECM)
(6)X103
(7)G105
Figure 13:

Instrument Panel Harness Right Side of Console


Object Number: 1470401  Size: LF
(1)GPS Coax - to the Vehicle Communication Interface Module (VCIM) (UE1)
(2)X207
(3)X291 (UE1)
(4)Blower Motor Resistor Assembly (C60)
(5)G203
(6)G201
(7)Blower Motor
(8)Recirculation Actuator
(9)Cell Phone Coax - to the Vehicle Communication Interface Module (VCIM) (UE1)
(10)Vehicle Communication Interface Module (VCIM) Connectors (UE1)
Figure 14:

Body Harness Routing (Coupe and Convertible similar)


Object Number: 1577057  Size: LF
(1)X319 (AY0)
(2)X351 (UE1)
(3)X304
(4)X300
(5)X308 (AY0)
(6)X208
(7)X206
(8)X203
(9)X500
(10)G303
(11)X214
(12)Body Control Module (BCM) X3
(13)X207
(14)X600
(15)G305
(16)G304
(17)X216
(18)X310
(19)X309 (AY0)
(20)X305
(21)G301
(22)X320 (AY0)
(23)Fuse Block - Rear X4
(24)Fuse Block - Rear X1
(25)G302
Figure 15:

Body Harness Routing Front Compartment (Sedan)


Object Number: 1470406  Size: LF
(1)X308 (AJ7/AY0)
(2)Park Brake Switch
(3)A/T Shift Lock Control Assembly (MN5/M15)
(4)X208
(5)X206
(6)X500
(7)G303
(8)X214
(9)Body Control Module (BCM) X3
(10)X216
(11)X600
(12)G305
(13)G304
(14)X207
(15)Body Control Module (BCM) X1
(16)X309 (AJ7/AY0)
(17)X310
(18)Inflatable Restraint Seat Belt Pretensioner - Right Front
(19)X800 (Sedan)
(20)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(21)X300
(22)Inflatable Restraint Seat Belt Pretensioner - Left Front
(23)X700 (Sedan)
Figure 16:

Lower Left Side of Instrument Panel


Object Number: 1724515  Size: LF
(1)Body Harness
(2)Headliner Harness (Convertible)
(3)X200 (Convertible)
(4)G303
Figure 17:

Body Harness Routing (Sedan)


Object Number: 1470407  Size: LF
(1)Rear Compartment Lid Release Switch
(2)Center High Mounted Stop Lamp (CHMSL)
(3)Rear Compartment Courtesy Lamp
(4)Fuse Block - Rear X4
(5)Fuse Block - Rear X1
(6)Speaker - Left Rear
(7)X319 Body Harness to Roof Rail Inflatable Restraint Module - Left Hand (AY0)
(8)Rear Window Defogger Grid X1
(9)G302
(10)X351 Body Harness to Headliner Harness (UE1)
(11)Antenna Amplifier Module X1
(12)Coax AM/FM
(13)X413 Body Harness to Fuel Tank Harness
(14)X403 Body Harness to Wheel Speed Sensor (WSS) Jumper Harness - Right Rear /Left Rear
(15)G301
(16)X320 Body Harness to Roof Rail Inflatable Restraint Module - Right Hand (AY0)
(17)Digital Radio Receiver (U2K)
(18)Rear Window Defogger Grid X2
(19)Audio Amplifier Connectors (U85)
(20)Speaker - Right Rear
(21)Remote Control Door Lock Receiver (RCDLR) (AU0)
(22)Rear Compartment Lid Pulldown Actuator
Figure 18:

Rear Lamp Harness (Coupe)


Object Number: 1577065  Size: MF
(1)Rear Fascia
(2)X402
(3)G403
(4)G401
(5)X401
(6)Fuse Block - Rear X2
Figure 19:

Rear Fascia


Object Number: 1470409  Size: LF
(1)X402
(2)X416
(3)G401
(4)G403
(5)X401
(6)Fuse Block - Rear X1