GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2008 🢒 AURA 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Harness Routing Views
Figure 1:

Forward Lamp Harness
Object Number: 1776139 Size: LF
(1)Right Front Strut Tower
(2)Fuse Block - Underhood X3
(3)G101
(4)X109
(5)X110
(6)G102
Figure 2:

Engine Harness - Front (LY7)
Object Number: 1775974 Size: LF
(1)X130
(2)J199
(3)Engine Control Module (ECM) X2
(4)Engine Control Module (ECM) X3
(5)X108
(6)Left Front Frame Rail
(7)G113
Figure 3:

Engine Harness - Front (LZ4)
Object Number: 1775952 Size: LF
(1)X130
(2)Upper Intake Manifold
(3)X103
(4)Fuse Block - Underhood X1
(5)Fuse Block - Underhood
(6)X108
(7)X100
(8)Cooling Fan - Right Connector
(9)Camshaft Position (CMP) Actuator Solenoid Connector
Figure 4:

Engine Harness - Rear (LY7)
Object Number: 1775982 Size: LF
(1)X108
(2)G105
(3)J198
(4)Upper Intake Manifold
(5)G111
(6)Fuse Block - Underhood X1
Figure 5:

Engine Harness - Rear (LZ4)
Object Number: 1775943 Size: LF
(1)X108
(2)Engine Control Module (ECM) X2
(3)Engine Control Module (ECM) X1
(4)X103
(5)Upper Intake Manifold
(6)Ignition Control Module (ICM)
(7)Transmission
(8)G106
(9)G105
(10)Fuse Block - Underhood
Figure 6:

Fuel Injector Harness (LY7)
Object Number: 1775985 Size: LF
(1)Valve Cover
(2)J107
(3)Lower Intake Manifold
(4)J114
(5)X130
Figure 7:

Fuel Injector Harness (LZ4)
Object Number: 1775965 Size: LF
(1)Ignition Control Module (ICM)
(2)J130
(3)X130
Figure 8:

Power Steering Harness - NV7
Object Number: 1776001 Size: LF
(1)Brake Booster Bracket
(2)Power Steering Control Module
(3)G103
(4)Fuse Block - Underhood Terminal
Figure 9:

Instrument Panel Harness - Front of Carrier
Object Number: 1776045 Size: LF
(1)Instrument Panel Trim
(2)Instrument Panel Carrier
(3)Instrument Panel Compartment
(4)Body Bontrol Module (BCM) X2
(5)Data Link Connector (DLC)
(6)X206
(7)X208
Figure 10:

Instrument Panel Harness - Rear Of Carrier
Object Number: 1776049 Size: LF
(1)X291 (Coaxial) (UE1)
(2)Instrument Panel Upper Trim
(3)Instrument Panel Compartment
(4)Body Control Module (BCM) X4
(5)G201
(6)G203
(7)X207
Figure 11:

Console Harness
Object Number: 1776033 Size: LF
(1)X304
(2)Arm Rest
(3)Cup Holders
Figure 12:

Body Harness - Front
Object Number: 1776142 Size: LF
(1)X102
(2)Brake Fluid Level Switch
(3)X101
(4)G101
(5)X108 (LY7)
(6)G104
(7)G109
(8)X108 (LZ4)
(9)Fuse Block - Underhood X4
(10)Fuse Block - Underhood X2
Figure 13:

Body Harness - Passenger Compartment
Object Number: 1776154 Size: LF
(1)G305
(2)G304
(3)X600
(4)X207
(5)X216
(6)X304
(7)X310
(8)X800
(9)X309
(10)X700
(11)X300
(12)X308
(13)G303
(14)X500
(15)X206
(16)X208
(17)X203
Figure 14:

Driver Seat Harness (AE8/AF2)
Object Number: 1776130 Size: LF
(1)Seat Frame
(2)X300
(3)X308
Figure 15:

Passenger Seat Harness
Object Number: 1781337 Size: LF
(1)X310
(2)Seat Frame
(3)X307
(4)X309
Figure 16:

Driver Door Harness
Object Number: 1776200 Size: LF
(1)Door Frame
(2)X501
(3)X500
Figure 17:

Passenger Door Harness
Object Number: 1776205 Size: LF
(1)X600
(2)X601
(3)Door Frame
Figure 18:

Headliner Harness (CF5)
Object Number: 1776218 Size: LF
(1)Headliner
(2)Fuse Block - Rear X3
(3)X351 (UE1)
Figure 19:

Headliner Harness (without CF5)
Object Number: 1776269 Size: LF
(1)Headliner
(2)Fuse Block - Rear X3
(3)X351 (UE1)
Figure 20:

Headliner Harness (C3Y)
Object Number: 1776226 Size: LF
(1)Headliner
(2)X415
(3)Fuse Block - Rear X3
(4)X351 (UE1)
Figure 21:

Body Harness - Rear Compartment
Object Number: 1776194 Size: LF
(1)G301
(2)Inflatable Restraint Roof Rail Module - Right
(3)Rear Shelf
(4)X495
(5)Fuse Block - Rear
(6)Inflatable Restraint Roof Rail Module - Left
(7)G302
(8)X351 (UE1)
(9)X404
Figure 22:

Left Rear Door Harness
Object Number: 1776212 Size: LF
(1)Door Frame
(2)X700
(3)X701
Figure 23:

Right Rear Door Harness
Object Number: 1776214 Size: LF
(1)X800
(2)Door Frame
(3)X801
Figure 24:

Rear ABS and Fuel Tank Harnesses
Object Number: 1776059 Size: LF
(1)Fuel Tank
(2)X413
(3)X403
Figure 25:

Rear Lamp Harness
Object Number: 1775993 Size: LF
(1)G401
(2)X401
(3)Rear Window
(4)X402
(5)G403
Figure 26:

Battery Cable Harness (LY7)
Object Number: 1776272 Size: LF
(1)G105
(2)Fuse Block - Underhood Terminal
(3)G104
(4)Starter Terminal
Figure 27:

Battery Cable Harness (LZ4)
Object Number: 1776280 Size: LF
(1)G105
(2)Fuse Block - Underhood Terminal
(3)Starter Terminal
Figure 28:

Engine Harness - Front (LY7)
Object Number: 1775974 Size: LF
(1)X130
(2)J199
(3)Engine Control Module (ECM) X2
(4)Engine Control Module (ECM) X3
(5)X108
(6)Left Front Frame Rail
(7)G113
Figure 29:

G101, G104, and G109
Object Number: 1832306 Size: LF
(1)Left Front Strut Tower
(2)G101
(3)G104
(4)G109
Figure 30:

Front of the Battery Tray
Object Number: 1832315 Size: LF
(1)Battery
(2)Engine Control Module (ECM)
(3)Transmission Control Module (TCM)
Figure 31:

Left Rear of Engine Compartment
Object Number: 1869636 Size: MF
(1)Coolant Level Switch
(2)Battery
(3)Electronic Brake Control Module (EBCM)
(4)X101
(5)G103 (NV7)
(6)Fuse Block - Underhood
Figure 32:

Engine Harness - Rear (LZ4)
Object Number: 1775943 Size: LF
(1)X108
(2)Engine Control Module (ECM) X2
(3)Engine Control Module (ECM) X1
(4)X103
(5)Upper Intake Manifold
(6)Ignition Control Module (ICM)
(7)Transmission
(8)G106
(9)G105
(10)Fuse Block - Underhood
Figure 33:

Engine Harness - Rear (LY7)
Object Number: 1775982 Size: LF
(1)X108
(2)G105
(3)J198
(4)Upper Intake Manifold
(5)G111
(6)Fuse Block - Underhood X1
Figure 34:

Behind the Instrument Panel Trim
Object Number: 1832301 Size: LF
(1)Instrument Panel Trim
(2)Theft Deterrent Control Module
(3)Steering Column
(4)Ignition Switch
(5)Body Control Module (BCM)
Figure 35:

Instrument Panel Harness - Rear of Carrier
Object Number: 1776049 Size: LF
(1)X291 (Coaxial) (UE1)
(2)Instrument Panel Upper Trim
(3)Instrument Panel Compartment
(4)Body Control Module (BCM) X4
(5)G201
(6)G203
(7)X207
Figure 36:

G301 and G302
Object Number: 1832308 Size: LF
(1)G301
(2)Rear Shelf
(3)G302
(4)Floor Panel
Figure 37:

G303
Object Number: 1832305 Size: LF
(1)Instrument Panel Bracket
(2)Dash Panel
(3)G303
Figure 38:

G304 and G305
Object Number: 1832307 Size: LF
(1)G305
(2)G304
(3)Floor Panel
(4)Floor Shifter
Figure 39:

Rear Lamp Harness
Object Number: 1775993 Size: LF
(1)G401
(2)X401
(3)Rear Window
(4)X402
(5)G403
Figure 40:

Rear of the Luggage Compartment
Object Number: 1832291 Size: LF
(1)Rear Window Defogger Grid
(2)Fuse Block - Rear
(3)Rear Floor
(4)Audio Amplifier (UQ3)
Figure 41:

Fuel Tank Components
Object Number: 1938543 Size: LF
(1)Evaporative Emission (EVAP) Canister Vent Solenoid
(2)Canister Vent Assembly
(3)Fuel Pump and Sender Assembly
Figure 42:

G110 and G107 (LE5)
Object Number: 1925417 Size: LF
(1)G110
(2)G107
Figure 43:

Engine Harness Routing (LE5)
Object Number: 1925414 Size: LF
(1)X108
(2)X100
(3)G106
(4)X130