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:

Headlamp Splices


Object Number: 1859989  Size: LF
(1)X109
(2)J113
(3)Park/Turn Signal Lamp - Left Front
(4)Park/Turn Signal Lamp - Right Front
(5)J112
(6)X110
(7)Headlamp Assembly - Right
(8)Headlamp assembly - Left
Figure 3:

Front ABS Harness


Object Number: 1469960  Size: MF
(1)X102 (JL9/J67)
(2)X101 (JL9/J67)
(3)Left Front Strut Tower
(4)Wheel Speed Sensor (WSS) - Left Front Connector
(5)Right Front Strut Tower
(6)Wheel Speed Sensor (WSS) - Right Front Connector
Figure 4:

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 5:

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 6:

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 7:

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 8:

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 9:

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 10:

Front View of Engine - (LY7)


Object Number: 1858147  Size: LF
(1)G113
(2)J199
(3)X108
(4)X130
Figure 11:

Rear of Engine (LZ9+M15)


Object Number: 1554526  Size: LF
(1)J130
(2)Lower Intake Manifold
(3)X130
(4)Camshaft Position (CMP) Sensor Connector
Figure 12:

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 13:

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 14:

Rear of the Engine (LZ9 +MT2)


Object Number: 1554530  Size: LF
(1)Generator Connector
(2)X130
(3)Camshaft Position (CMP) Actuator Solenoid
(4)Cooling Fan - Right Connector
(5)Transmission
(6)Knock Sensor Connector
Figure 15:

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 16:

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 17:

Left Rear of Engine Compartment


Object Number: 1709015  Size: LF
(1)Brake Fluid Pressure Sensor (FX3)
(2)X104 (FX3)
Figure 18:

Instrumet Panel Harness Left Side of Console


Object Number: 1470402  Size: LF
(1)Ambient Light Sensor (C60)
(2)Theft Deterrent Module
(3)Ignition Switch
(4)X208
(5)X206
(6)Adjustable Pedal Module (JF4)
(7)Data Link Connector (DLC)
(8)Power Steering Control Module
(9)Brake Pedal Position Sensor
(10)Adjustable Pedal Position Sensor (JF4)
(11)Adjustable Accelerator Pedal Position Motor (JF4)
(12)Accelerator Pedal Position (APP) Sensor
(13)Air Temperature Actuator
(14)Body Control Module (BCM) X3
(15)Body Control Module (BCM) X2
(16)Radio Connectors
(17)HVAC Control Module X2
(18)HVAC Control Module X1
Figure 19:

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 20:

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 21:

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 22:

Lower Left Side of Instrument Panel


Object Number: 1724515  Size: LF
(1)Body Harness
(2)Headliner Harness (Convertible)
(3)X200 (Convertible)
(4)G303
Figure 23:

Under Driver / Passenger Seats


Object Number: 1724543  Size: LF
(1)Passenger Seat
(2)Driver Seat
(3)X302 Body Harness to Inflatable Restraint Side Impact Module Harness (AY0)
(4)X300 Body Harness to Driver Seat Harness
(5)X301 Body Harness to Inflatable Restraint Side Impact Module Harness (AY0)
(6)X310 Body Harness to Passenger Seat Harness
Figure 24:

Underneath Front Passenger Seat


Object Number: 1860043  Size: LF
(1)Passenger Seat
(2)Heated Seat Control Module - Passenger (KA1)
(3)X307 (KA1)
(4)J305 (KA1)
(5)Inflatable Restraint Passenger Presence System (PPS) Module
(6)Heated Seat Element - Passenger Cushion (KA1)
Figure 25:

Left Front Door Harness (Sedan)


Object Number: 1469942  Size: LF
(1)Window Switch - Driver X1
(2)Window Switch - Driver X2
(3)Door Frame
(4)X500
(5)Speaker - Left Front Door
(6)Rear Compartment Lid Release Switch Connector
(7)Window Motor Connector
(8)Door Latch Assembly
Figure 26:

Left Front Door Harness (Coupe/Convertible)


Object Number: 1469942  Size: LF
(1)Window Switch - Driver X1
(2)Window Switch - Driver X2
(3)Door Frame
(4)X500
(5)Speaker - Left Front Door
(6)Rear Compartment Lid Release Switch Connector
(7)Window Motor Connector
(8)Door Latch Assembly
Figure 27:

Left Front Door Trim Pad


Object Number: 1567355  Size: MF
(1)Speaker - Left Front Door Tweeter
(2)Speaker to Door Trim Pad Harness Connector
(3)Door Lock Switch - Driver
(4)X501
(5)Rear Compartment Lid Release Switch - Interior
Figure 28:

Right Front Door Harness (Sedan)


Object Number: 1469936  Size: LF
(1)Door Frame
(2)Window Switch - Passenger
(3)Door Latch Assembly
(4)Speaker - Right Front Door Connector
(5)X600
Figure 29:

Right Front Door Harness (Coupe/Convertible)


Object Number: 1577080  Size: LF
(1)X600
(2)Outside Rearview Mirror Connector
(3)Door Frame
(4)Window Switch - Passenger Connector
Figure 30:

Right Front Door Trim Pad


Object Number: 1567356  Size: MF
(1)Speaker - Right Front Door Tweeter
(2)Speaker to Door Trim Pad Harness Connector
(3)Door Lock Switch - Passenger
(4)X601
Figure 31:

Driver Seat


Object Number: 1469963  Size: LF
(1)Seat Rear Vertical Motor (AG1)
(2)X300
(3)Seat Adjuster Switch - Driver (AG1/ASN)
(4)Heated Seat Switch Connector (KA1)
(5)Seat Front Vertical Motor (AG1)
(6)Seat Horizontal Motor (AG1)
Figure 32:

Headliner Harness (Coupe +CF5)


Object Number: 1577069  Size: LF
(1)Headliner
(2)Sunroof Control Module Connector (CF5)
(3)X351 (UE1)
(4)Fuse Block - Rear (X3)
(5)Vanity Mirror Lamp - Left Connector (DH6)
Figure 33:

Headliner Harness (Sedan -CF5)


Object Number: 1469985  Size: MF
(1)Headliner
(2)Fuse Block - Rear X3
(3)X351 (UE1)
(4)X415 (C3Y)
(5)Vanity Mirror Lamp - Left Connector (DH6)
(6)Inside Rearview Mirror Connector (UE1)
Figure 34:

Headliner Harness (Sedan +CF5)


Object Number: 1469989  Size: MF
(1)Vanity Mirror Lamp - Right Connector (DH6)
(2)Sunroof Module Connector (CF5)
(3)Fuse Block - Rear X3
(4)X351 (UE1)
(5)Vanity Mirror Lamp - Left Connector (DH6)
(6)Inside Rearview Mirror Connector (UE1)
(7)Headliner
Figure 35:

Left Rear Door


Object Number: 1470013  Size: LF
(1)Window Motor Connector
(2)Door Frame
(3)Door Latch Assembly Connector
(4)Speaker Connector
(5)X700
Figure 36:

Right Rear Door


Object Number: 1469993  Size: LF
(1)Door Frame
(2)X800
(3)Window Motor Connector
(4)Speaker Connector
(5)Door Latch Assembly Connector
Figure 37:

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 38:

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 39:

Rear Fascia


Object Number: 1470409  Size: LF
(1)X402
(2)X416
(3)G401
(4)G403
(5)X401
(6)Fuse Block - Rear X1
Figure 40:

Under Vehicle, Forward of Right Rear Wheel


Object Number: 1263945  Size: MF
(1)X403
(2)X413