GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Acadia - 2WD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Harness Routing Views
Figure 1:

Forward Lamp Harness
Object Number: 1848578 Size: LF
(1)J122
(2)J120
(3)Fuse Block - Underhood X1
(4)G102
(5)X120
(6)G103
(7)X151
(8)X107 (W49 or WDA)
(9)X108 (W49 or WDA)
(10)X150
Figure 2:

Fog Lamp Jumper Harnesses
Object Number: 1852316 Size: LF
(1)Front Fascia
(2)J124 (WDA)
(3)J104
(4)X108 (W49 or WDA)
(5)X107 (W49 or WDA)
(6)J119 (WDA)
(7)J113 (Z88)
Figure 3:

Engine Compartment Harness
Object Number: 1848559 Size: LF
(1)Fuse Block - Underhood
(2)X100
(3)X109 (XA7)
(4)X111
(5)G115
(6)J151
(7)J153
(8)X103
Figure 4:

Fuel Injector Harness
Object Number: 1848580 Size: LF
(1)Valve Cover
(2)J135
(3)J137
(4)X101
Figure 5:

Engine Harness - Front
Object Number: 1852320 Size: LF
(1)J131
(2)J140
(3)X101
(4)X103
(5)J133
(6)J142
(7)J146
(8)G114
Figure 6:

Engine Harness - Rear
Object Number: 1852319 Size: LF
(1)Engine Control Module (ECM) X2
(2)Engine Control Module (ECM) X3
(3)J139
(4)G110
(5)G112
Figure 7:

Front of the Transmission
Object Number: 1867860 Size: LF
(1)Engine
(2)Automatic Transmission
(3)G113
Figure 8:

Near the Brake Booster
Object Number: 1863194 Size: LF
(1)Brake Fluid Level Switch
(2)Left Fender
(3)G103
(4)G101
(5)G115
(6)G105
(7)Electronic Brake Control Module (EBCM)
(8)Brake Booster Vacuum Sensor
Figure 9:

I/P Harness - Engine Compartment
Object Number: 1848563 Size: LF
(1)Dash Panel
(2)X109 (XA7)
(3)X111
(4)G105
Figure 10:

I/P Harness - Passenger Compartment
Object Number: 1848561 Size: LF
(1)X203
(2)JX205
(3)J219 (U42 or UQS)
(4)X216 (U42)
(5)J216 (MH6)
(6)J215
(7)J213
(8)J206 (CJ2)
(9)J202
(10)J220
(11)J204
(12)X252
(13)X200
(14)X214
(15)X240
(16)X202
(17)J208
(18)J211
(19)Data Link Connector (DLC)
(20)X201
(21)J233
(22)J231
Figure 11:

Steering Wheel Harness
Object Number: 1848560 Size: LF
(1)J297
(2)J295 (UK3)
(3)J299 (UK3)
Figure 12:

Steering Column Harness
Object Number: 1852315 Size: LF
(1)Column Assembly
(2)J293
(3)J271
(4)J253
(5)J275 (XA7)
(6)X201
Figure 13:

Overhead Console Harness
Object Number: 1852321 Size: LF
(1)X343
(2)J328
(3)J364 (C3U)
Figure 14:

Body and Battery Cable Harnesses - Engine Compartment
Object Number: 1848566 Size: LF
(1)Fuse Block - Underhood X2
(2)Dash Panel
(3)X100
(4)X120
Figure 15:

Body Harness - Front Passenger Compartment
Object Number: 1848564 Size: LF
(1)X202
(2)J317
(3)X340
(4)X200
(5)Fuse Block - I/P X1
(6)X600
(7)Inflatable Restraint I/P Module - Connector
(8)G300
(9)X314
(10)Inflatable Restraint Side Impact Module - Right Connector
(11)J308
(12)J304
(13)X800
(14)G302
(15)X324
(16)J322
(17)J302
(18)G304
(19)J311
(20)X305
(21)J313
(22)G303
(23)X700
(24)J335
(25)J333
(26)J319
(27)Inflatable Restraint Side Impact Module - Left Connector
(28)X315
(29)G301
(30)X500
(31)X209 (V92)
(32)JX205
Figure 16:

Driver Seat Harness (AG3)
Object Number: 1848557 Size: LF
(1)J352
(2)J357 (KA1)
(3)Seat Frame
(4)J353 (KA1)
(5)J350
(6)J351
(7)J354
(8)X315
Figure 17:

Driver Seat Harness (without AG3)
Object Number: 1848556 Size: LF
(1)Seat Frame
(2)J355 (AH5)
(3)J357 (KA1)
(4)J353 (KA1)
(5)J351
(6)X315
Figure 18:

Passenger Seat Harness
Object Number: 1848555 Size: LF
(1)J344
(2)J340
(3)J342
(4)X314
(5)J346
Figure 19:

Floor Console Harness
Object Number: 1848576 Size: LF
(1)J379 (without UK6)
(2)X240
(3)X340
(4)J371 (without KA1 or UK6)
(5)J373
(6)J375
(7)J377
Figure 20:

Near the Battery
Object Number: 1848558 Size: LF
(1)Floor Panel
(2)G305
(3)Battery Current Sensor
(4)X324
(5)Inline Fuse Onstar (UE1)
(6)X325 (UE1)
Figure 21:

Driver Door Harnesses
Object Number: 1852318 Size: LF
(1)J577 (without AXC or AXE)
(2)X553
(3)X500
(4)Door Frame
(5)J555
(6)J575
(7)X555
Figure 22:

Passenger Door Harnesses
Object Number: 1852323 Size: LF
(1)X666
(2)J602
(3)J600 (without AXE)
(4)J666 (without AXC or AXE)
(5)J602
(6)X664
(7)X600
Figure 23:

Headliner Harness
Object Number: 1852325 Size: LF
(1)Headliner
(2)J326
(3)J339
(4)J348
(5)X320 (DNP or UD7 or UE1)
(6)X322
(7)X216 (U42)
Figure 24:

Right Rear Door Harness
Object Number: 1852324 Size: LF
(1)X800
(2)J800
Figure 25:

Left Rear Door Harness
Object Number: 1852322 Size: LF
(1)J711
(2)X700
Figure 26:

Body Harness - Left Rear Passenger Compartment
Object Number: 1848572 Size: LF
(1)G401
(2)Radio Antenna X1
(3)Inflatable Restraint Roof Rail Module - Driver Connector
(4)JX405
(5)X405
Figure 27:

Body Harness - Right Rear Passenger Compartment
Object Number: 1848573 Size: LF
(1)G402
(2)X351
(3)Inflatable Restraint Roof Rail Module - Passenger Connector
(4)Radio Antenna X2
(5)Radio Antenna X1
(6)X320 (DNP or UD7 or UE1)
(7)X322
Figure 28:

Body Harness - Near Rear Opening
Object Number: 1848568 Size: LF
(1)X901
(2)X903
(3)X450 (W49 or WDA)
(4)X442 (V92)
(5)X405
(6)X440 (UD7)
(7)G401
(8)X451 (W49 or WDA)
Figure 29:

Liftgate Harness
Object Number: 1852314 Size: LF
(1)X903
(2)X901
(3)X911
(4)X931 (W49 or Z88)
(5)Liftgate Control Switch - Interior (E61) Connector
(6)Liftgate Control Switch - Exterior Connector
(7)J911 (Z88)
(8)J915
(9)J905 (E61)
(10)J907 (E61)
(11)J913
(12)X920 (W49 or Z88)
(13)J903 (WDA)
Figure 30:

Chassis Harness
Object Number: 1852313 Size: LF
(1)Rear Cradle
(2)X405
Figure 31:

Rear Bumper Harness
Object Number: 1848575 Size: LF
(1)X440 (UD7)
(2)Tail Lamp - Right
(3)J444 (UD7)
(4)J440 (UD7)