GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Yukon XL Denali
🢒
Power and Signal Distribution
🢒
Wiring Systems and Power Management
🢒 Harness Routing Views
Figure
1:
Forward Lighting Views (HP2)
(1)
Fuse Block - Underhood
(2)
X100 (X88 or Z75)
(3)
J160
(4)
X101
(5)
X106
(6)
X104
(7)
J101
(8)
G100
(9)
J162
(10)
G101
(11)
J161
(12)
X103
(13)
X105
Figure
2:
Forward Lighting Views (X88)
(1)
Fuse Block - Underhood
(2)
X100
(3)
X102 (T96)
(4)
X106
(5)
X105 (T96)
(6)
G101
(7)
J101
(8)
G100
(9)
J100
(10)
X103
Figure
3:
Forward Lighting Views (Z75)
(1)
Fuse Block - Underhood
(2)
X100
(3)
X101 (T96)
(4)
X104 (T96)
(5)
X106
(6)
J103
(7)
G101
(8)
J101
(9)
G100
(10)
J100
(11)
X103
Figure
4:
Forward Lighting Views (Z88)
(1)
Fuse Block - Underhood
(2)
X107 (VYU)
(3)
X101
(4)
X102 (T96)
(5)
X104
(6)
X108 (VYU)
(7)
X105 (T96)
(8)
G101
(9)
J101
(10)
G100
(11)
J100
(12)
X103
Figure
5:
Chassis-Front Engine Compartment (HP2)
(1)
X117 (BRS)
(2)
X121
(3)
Automatic Level Control (ALC) Relay (Z55)
(4)
X115
Figure
6:
I/P Harness - Engine Compartment (HP2)
(1)
X129
(2)
X115
(3)
X109
(4)
X103
(5)
X150
Figure
7:
I/P Harness - Engine Compartment (X88/Z88)(YE9)
(1)
J113
(2)
Fuse Block-Underhood
(3)
X103
(4)
X109
(5)
X115
Figure
8:
I/P Harness - Engine Compartment (Z75/Y91)
(1)
J113
(2)
Fuse Block-Underhood
(3)
X103
(4)
X109
(5)
X115
(6)
X117 (BRS)
Figure
9:
Engine Harness - Front
(1)
X111
(2)
X109
(3)
X110 (NQH)
(4)
J104
(5)
J105
(6)
X112
Figure
10:
Engine Harness - Rear
(1)
J106
(2)
X113
(3)
X300
Figure
11:
Engine Harness - Front (HP2)
(1)
X111
(2)
X109
(3)
X110 (NQH)
(4)
X120
(5)
X112
Figure
12:
Engine Harness - Rear (HP2)
(1)
X113
(2)
X176
(3)
X300
Figure
13:
I/P Harness (except HP2)
(1)
JX200
(2)
X201
(3)
X205
(4)
X209 (UVC)
(5)
X207
(6)
X211 (D07)
(7)
X202
(8)
X200
Figure
14:
I/P Harness - Passenger Compartment (YE9)
(1)
J201
(2)
J207 (HP2 or NQH)
(3)
JX200
(4)
J200
(5)
X201
(6)
X203 (UE1)
(7)
X205
(8)
X212 (except Y91)
(9)
J203
(10)
X206
(11)
X213 (UE1)
(12)
X208 (U84)
(13)
X209 (UVC)
(14)
X207
(15)
J205
(16)
X211
(17)
X202
(18)
X200
Figure
15:
I/P Harness - Passenger Compartment (Z75 or Y91)
(1)
J201
(2)
J219 (KA9)
(3)
JX200
(4)
J208
(5)
J200
(6)
X203
(7)
X204 (U42)
(8)
X205
(9)
J203
(10)
J204
(11)
J205
(12)
J206
(13)
X206 (U42 without DNU)
(14)
X213 (UE1)
(15)
X208 (U84)
(16)
X209
(17)
X207
(18)
X210 (UQS)
(19)
X211 (D07)
(20)
J202 (UQS with DNU)
(21)
X202
(22)
X200
(23)
X201
Figure
16:
Body Harness - Front Compartment (Long Wheel Base)
(1)
X209 (UVC)
(2)
X215 (HP2)
(3)
X207
(4)
X305
(5)
X320 (AZ3 or A95)
(6)
X323
(7)
X303
(8)
X309 (UQS)
(9)
X800
(10)
X700
(11)
X275
(12)
X200
(13)
X500
(14)
X202
(15)
X229
Figure
17:
Floor Console
(1)
X309 (UQS)
(2)
X211 (D07)
(3)
J330 (D07)
Figure
18:
Floor Console (Z75)
(1)
X210 (UQS)
(2)
X211 (D07)
(3)
X309
(4)
J330 (D07)
Figure
19:
Driver Seat
(1)
J305 (AN3)
(2)
J307(KB6)
(3)
J308 (KB6)
(4)
J306 (AN3)
(5)
X303
(6)
J311 (AN3)
(7)
J312 (AN3)
(8)
J305 (AG2 without AN3)
(9)
J310 (AN3)
Figure
20:
Passenger Seat
(1)
J316 (AN3 without KB6)
(2)
J315 (AN3)
(3)
X305
(4)
J313 (AG2 or AN3)
(5)
J314 (AN3)
Figure
21:
Driver Door Harness
(1)
Door Frame
(2)
Fuse Block - I/P X4
(3)
X500 (ASF)
Figure
22:
Passenger Door Harness
(1)
X600 (ASF)
(2)
Junction Block - Right I/P X3
(3)
Door Frame
Figure
23:
Left Rear Door Harness
(1)
Door Frame
(2)
X700
Figure
24:
Right Rear Door Harness
(1)
X800
(2)
Door Frame
Figure
25:
Body Harness - Rear Compartment (Long Wheel Base)
(1)
X421 (UVC without UVB)
(2)
X403
(3)
X407 (C69)
(4)
X406
(5)
X405
(6)
X413 (UVC)
(7)
X404
(8)
X408 (UD7)
(9)
X307 (ARS or KA6)
(10)
X308 (ARS or KA6)
Figure
26:
Chassis (HP2)
(1)
X300
(2)
X412
(3)
X411
Figure
27:
Headliner Harness (Long Wheel Base with E52)
(1)
X406
(2)
X206
(3)
X304
(4)
X403
(5)
X204 (U42)
(6)
X203 (UE1)
Figure
28:
Headliner Harness (Long Wheel Base without E52 or TB7)
(1)
X321
(2)
X206 (DNU)
(3)
X304
(4)
X203 (UE1)
(5)
X204 (U42)
Figure
29:
Rear Frame (Except HP2)
(1)
Data Link Resistor 1
(2)
Rear Frame - Short Wheelbase
(3)
Rear Frame - Long Wheelbase
(4)
Data Link Resistor 1
(5)
Data Link Resistor 1
(6)
Rear Frame - Long Wheelbase HD
Figure
30:
Liftgate (HP2)
(1)
X405
(2)
X901
(3)
J901
(4)
X900 (UVC)
(5)
J909
(6)
J903
(7)
J902
(8)
J900