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

Forward Lighting Views (HP2)
Object Number: 2087875 Size: LF
(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)
Object Number: 2087845 Size: LF
(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)
Object Number: 2087823 Size: LF
(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)
Object Number: 2087823 Size: LF
(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)
Object Number: 2101672 Size: LF
(1)X117 (BRS)
(2)X121
(3)Automatic Level Control (ALC) Relay (Z55)
(4)X115
Figure 6:

I/P Harness - Engine Compartment (HP2)
Object Number: 2087944 Size: LF
(1)X129
(2)X115
(3)X109
(4)X103
(5)X150
Figure 7:

I/P Harness - Engine Compartment (X88/Z88)(YE9)
Object Number: 2087967 Size: LF
(1)J113
(2)Fuse Block-Underhood
(3)X103
(4)X109
(5)X115
Figure 8:

I/P Harness - Engine Compartment (Z75/Y91)
Object Number: 2087956 Size: LF
(1)J113
(2)Fuse Block-Underhood
(3)X103
(4)X109
(5)X115
(6)X117 (BRS)
Figure 9:

Engine Harness - Front


Object Number: 2087917 Size: LF
(1)X111
(2)X109
(3)X110 (NQH)
(4)J104
(5)J105
(6)X112
Figure 10:

Engine Harness - Rear
Object Number: 2087940 Size: LF
(1)J106
(2)X113
(3)X300
Figure 11:

Engine Harness - Front (HP2)
Object Number: 2087904 Size: LF
(1)X111
(2)X109
(3)X110 (NQH)
(4)X120
(5)X112
Figure 12:

Engine Harness - Rear (HP2)
Object Number: 2087893 Size: LF
(1)X113
(2)X176
(3)X300
Figure 13:

I/P Harness (except HP2)
Object Number: 2087898 Size: LF
(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)
Object Number: 2087916 Size: LF
(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)
Object Number: 2087902 Size: LF
(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)
Object Number: 2098039 Size: LF
(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
Object Number: 2087892 Size: LF
(1)X309 (UQS)
(2)X211 (D07)
(3)J330 (D07)
Figure 18:

Floor Console (Z75)
Object Number: 2087896 Size: LF
(1)X210 (UQS)
(2)X211 (D07)
(3)X309
(4)J330 (D07)
Figure 19:

Driver Seat
Object Number: 2087885 Size: LF
(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
Object Number: 2087878 Size: LF
(1)J316 (AN3 without KB6)
(2)J315 (AN3)
(3)X305
(4)J313 (AG2 or AN3)
(5)J314 (AN3)
Figure 21:

Driver Door Harness
Object Number: 2102119 Size: LF
(1)Door Frame
(2)Fuse Block - I/P X4
(3)X500 (ASF)
Figure 22:

Passenger Door Harness
Object Number: 2102425 Size: LF
(1)X600 (ASF)
(2)Junction Block - Right I/P X3
(3)Door Frame
Figure 23:

Left Rear Door Harness
Object Number: 2101669 Size: LF
(1)Door Frame
(2)X700
Figure 24:

Right Rear Door Harness
Object Number: 2101996 Size: LF
(1)X800
(2)Door Frame
Figure 25:

Body Harness - Rear Compartment (Long Wheel Base)
Object Number: 2098448 Size: LF
(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)
Object Number: 2101662 Size: LF
(1)X300
(2)X412
(3)X411
Figure 27:

Headliner Harness (Long Wheel Base with E52)
Object Number: 2101631 Size: LF
(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)
Object Number: 2101617 Size: LF
(1)X321
(2)X206 (DNU)
(3)X304
(4)X203 (UE1)
(5)X204 (U42)
Figure 29:

Rear Frame (Except HP2)
Object Number: 2113928 Size: LF
(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)
Object Number: 2101623 Size: LF
(1)X405
(2)X901
(3)J901
(4)X900 (UVC)
(5)J909
(6)J903
(7)J902
(8)J900