Harness Routing Views. Chevrolet Tahoe

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 Tahoe - 2WD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Harness Routing Views

Figure 1:

Front Fascia Harnesses (X88)


(1)	Fuse Block - Underhood
(2)	C103
(3)	C100
(4)	Grill
(5)	C106
(6)	C105 (T96)
(7)	G101
(8)	S101
(9)	G100
(10)	S100
(11)	C102 (T96)

Figure 2:

Front Fascia Harnesses (Z75)


(1)	Fuse Block - Underhood
(2)	C100
(3)	Grill
(4)	C104 (T96)
(5)	C106
(6)	S103
(7)	G101
(8)	S101
(9)	Headlamp Washer Relay (TR2)
(10)	G100
(11)	C101 (T96)
(12)	S102
(13)	C103

Figure 3:

Front Fascia Harnesses (Z88)


(1)	Fuse Block - Underhood
(2)	C101
(3)	C107 (VYU)
(4)	Grill
(5)	C108 (VYU)
(6)	C104
(7)	C105 (T96)
(8)	G101
(9)	S101
(10)	G100
(11)	S100
(12)	C102 (T96)
(13)	C103

Figure 4:

Front Axle (NP8)


(1)	Frame
(2)	C110
(3)	Front Axle Housing
(4)	Front Axle Actuator

Figure 5:

Engine Harness - Front


(1)	G103
(2)	C111
(3)	S105
(4)	C109
(5)	Fuse Block - Underhood C2
(6)	S104
(7)	Transmission Control Module (TCM) Connector
(8)	Engine Control Module (ECM) C1
(9)	C110 (NP8)
(10)	Engine Control Module (ECM) C2
(11)	G102
(12)	C112

Figure 6:

Engine Harness - Rear


(1)	Fuse Block - Underhood C2
(2)	C113
(3)	S106
(4)	Mass Air Flow (MAF) Sensor Sensor Connector
(5)	C300
(6)	C175

Figure 7:

Ignition Coil Harnesses


(1)	Upper Intake
(2)	S107
(3)	S108
(4)	C111
(5)	S109
(6)	S111
(7)	S110
(8)	C113
(9)	S112

Figure 8:

Brake Clutch Harness (JF4)


(1)	C205
(2)	Dash Panel
(3)	Junction Block - Left I/P C7

Figure 9:

Brake Clutch Harness (w/o JF4)


(1)	C205
(2)	Dash Panel

Figure 10:

I/P Harness - Engine Compartment (YE9)


(1)	G110
(2)	Fuse Block - Underhood C5
(3)	Fuse Block - Underhood C4
(4)	Stud #2 Terminal
(5)	C103
(6)	C109
(7)	C115
(8)	S113
(9)	Dash Panel

Figure 11:

I/P Harness - Passenger Compartment (YE9)


(1)	S201
(2)	S207
(3)	S200
(4)	G201
(5)	Splice Pack SP200
(6)	C205
(7)	Junction Block - Left I/P C1
(8)	C212
(9)	C212
(10)	Junction Block - Left I/P C2
(11)	S203
(12)	S206
(13)	C208
(14)	Junction Block - Right I/P
(15)	C207
(16)	Floor Panel
(17)	C202
(18)	C200
(19)	Data Link Connector (DLC)
(20)	Fuse Block - I/P C1
(21)	C201

Figure 12:

I/P Extension Harness (YE9 without Y91)


(1)	Splice Pack SP201 (2 Or More Of U2K/UK6/UE1)
(2)	C203
(3)	C204 (U42)
(4)	C212
(5)	C206 (U42)
(6)	C213 (COAX)
(7)	C211 (D07)

Figure 13:

I/P Harness - Engine Compartment (Z75 and Y91)


(1)	G110
(2)	Fuse Block - Underhood C5
(3)	Fuse Block - Underhood C4
(4)	C103
(5)	C109
(6)	C115
(7)	C117 (BRS)
(8)	Dash Panel

Figure 14:

I/P Harness - Passenger Compartment (Z75 and Y91)


(1)	Splice Pack SP200
(2)	G201
(3)	S201
(4)	S200
(5)	C203
(6)	C204 (U42)
(7)	C205
(8)	C201
(9)	Junction Block - Left I/P C1
(10)	Junction Block - Left I/P C2
(11)	S202 (UQ5 and DNU)
(12)	S203
(13)	S204
(14)	S205
(15)	C206 (DNU)
(16)	C213
(17)	C208
(18)	Junction Block - Right I/P
(19)	C207
(20)	C209 (UVC)
(21)	C206 (U42)
(22)	C210
(23)	C211 (D07)
(24)	Floor Panel
(25)	C202
(26)	C200
(27)	Junction Block - Left I/P C3
(28)	Fuse Block - I/P

Figure 15:

Front HVAC Module


(1)	Air Temperature Actuator - Right
(2)	Recirculation Actuator
(3)	Junction Block - Right I/P C4
(4)	G200
(5)	Blower Motor
(6)	Air Temperature Sensor - Lower Right (CJ2)
(7)	Air Temperature Actuator - Left
(8)	Blower Motor Control Module
(9)	Air Temperature Sensor - Lower Left (CJ2)
(10)	Mode Actuator

Figure 16:

Console Harness (Z75)


(1)	C211
(2)	Console Trim
(3)	S330
(4)	C309
(5)	C210

Figure 17:

Console Harness (Y91 and YE9)


(1)	Floor Panel
(2)	Console
(3)	C309 (Y91)
(4)	S330
(5)	C211

Figure 18:

Driver Seat Harness (AN3 and KB6)


(1)	S305 (AN3)
(2)	Lumbar Motor Inline
(3)	Seat Frame
(4)	S312
(5)	S311 (AN3)
(6)	S305 (AG2 w/o AN3)
(7)	S310 (AN3)
(8)	S309 (AN3)
(9)	S307 (KB6)
(10)	S308
(11)	S306 (AN3)
(12)	C303

Figure 19:

Passenger Seat Harness (AN3 and KB6)


(1)	Seat Frame
(2)	Lumbar Motor Inline
(3)	Lumbar Sensor Inline
(4)	S318 (KB6)
(5)	S317 (KB6)
(6)	C305
(7)	S313
(8)	S314 (AN3)
(9)	S315 (AN3)
(10)	S316 (AN3 Except KB6)

Figure 20:

Headliner Harness (Except E52)


(1)	C306 (w/o Y91)
(2)	S326
(3)	S327
(4)	S328
(5)	Junction Block - Left I/P C8
(6)	Junction Block - Left I/P C9
(7)	Junction Block - Left I/P C10
(8)	C203
(9)	C204 (U42)
(10)	C304

Figure 21:

Headliner Harness (Short Wheel Base w/ Y91)


(1)	C306 (w/o Y91)
(2)	C403 (E52)
(3)	Headliner
(4)	S325 (CJ2)
(5)	S326
(6)	S327
(7)	S328
(8)	Junction Block - Left I/P C8
(9)	C203
(10)	C204 (U42)
(11)	C304

Figure 22:

Headliner Harness (Short Wheel Base w/ YE9)


(1)	C304
(2)	C403 (E52)
(3)	Headliner
(4)	S325 (CJ2)
(5)	S326
(6)	S327
(7)	S328
(8)	Junction Block - Left I/P C10
(9)	Junction Block - Left I/P C8
(10)	Junction Block - Left I/P C9
(11)	C203

Figure 23:

Headliner and Antenna Harnesses (Long Wheel Base)


(1)	C406 (E52)
(2)	Headliner
(3)	S329 (DNU)
(4)	S325 (CJ2)
(5)	S326
(6)	S327
(7)	S328
(8)	C203
(9)	C204
(10)	Junction Block - Left I/P C8
(11)	Junction Block - Left I/P C9
(12)	Junction Block - Left I/P C10
(13)	C213 (U84)
(14)	C208 (U84)
(15)	C304
(16)	C306
(17)	C403 (E52) (E52)

Figure 24:

Driver Door Harness


(1)	Door Frame
(2)	Fuse Block - I/P Connector
(3)	C500 (ASF)

Figure 25:

Passenger Door Harness


(1)	Junction Block - Right I/P C3
(2)	Door Frame
(3)	C600 (ASF)

Figure 26:

Left Rear Door Harness


(1)	Door Frame
(2)	C700

Figure 27:

Right Rear Door Harness


(1)	C800
(2)	Door Frame

Figure 28:

Body Harness - Passenger Compartment (Except E52)


(1)	G301
(2)	S304 (AG2)
(3)	C305
(4)	C800
(5)	G304
(6)	C307
(7)	C311
(8)	C310
(9)	C308
(10)	G303
(11)	C700
(12)	Splice Pack SP300
(13)	C303
(14)	C275
(15)	C500 (ASF)
(16)	C202
(17)	C200
(18)	Junction Block - Left I/P C13
(19)	Junction Block - Left I/P C12
(20)	Junction Block - Left I/P C11
(21)	S303
(22)	C309 (Y91)
(23)	S302
(24)	C600 (ASF)
(25)	C207
(26)	C209 (UVC)
(27)	G302

Figure 29:

Body Harness - Front Compartment (Short Wheel Base)


(1)	C207
(2)	G301
(3)	G302
(4)	C305
(5)	C800
(6)	G304
(7)	C307 (ARS and KA6)
(8)	S302
(9)	S303
(10)	C700
(11)	G303
(12)	Splice Pack SP300
(13)	C303
(14)	Fuse Block - I/P C2
(15)	Fuse Block - I/P C3
(16)	C275
(17)	C500 (ASF)
(18)	C202
(19)	C200
(20)	Dash Panel
(21)	C309 (Y91)
(22)	C600
(23)	C209 (UVC)

Figure 30:

Body Harness - Rear Compartment (Short Wheel Base)


(1)	C403 (E52)
(2)	C407 (C69)
(3)	G402 (C69)
(4)	S400
(5)	C405 (E52)
(6)	C404 (E52)
(7)	C408 (E52 w/UD7)
(8)	Left Rear Wheel Liner
(9)	C308 (ARS and KA6)
(10)	C307 (ARS and KA6)

Figure 31:

Body Harness - Front Compartment (Long Wheel Base)


(1)	C600 (ASF)
(2)	G302
(3)	C305
(4)	C800
(5)	G304
(6)	C307 (ARS and KA6)
(7)	C403 (E52)
(8)	S302
(9)	S303
(10)	C308 (ARS and KA6)
(11)	G303
(12)	C700
(13)	Splice Pack SP300
(14)	C303
(15)	C275
(16)	C500 (ASF)
(17)	C200
(18)	C202
(19)	C309 (Y91)
(20)	G301
(21)	C207
(22)	C209 (UVC)

Figure 32:

Body Harness - Rear Compartment (Long Wheel Base)


(1)	C403 (E52)
(2)	C408 (E52 w/UD7)
(3)	C407 (C69)
(4)	G402 (C69)
(5)	C406 (LWB w/E52)
(6)	S400
(7)	C405 (E52)
(8)	C404 (E52)
(9)	Rear Floor Panel

Figure 33:

Chassis Harness (Except E52)


(1)	Chassis
(2)	S331
(3)	C310
(4)	C140
(5)	C412
(6)	C409
(7)	C411
(8)	G400
(9)	G401
(10)	S301 (Z55 and Z95)
(11)	C300
(12)	S300
(13)	G300
(14)	C115

Figure 34:

Chassis Harness (Short Wheel Base)


(1)	C115
(2)	Fuse Block - Underhood C3
(3)	Stud #1 Terminal
(4)	S300
(5)	C300
(6)	S331
(7)	C412
(8)	Trailer Connector
(9)	C411
(10)	G400
(11)	G401
(12)	G305
(13)	S301 (Z55 and Z95)
(14)	G300

Figure 35:

Chassis Harness (Long Wheel Base)


(1)	C115
(2)	Fuse Block - Underhood C3
(3)	C412
(4)	Trailer Connector
(5)	C411
(6)	G400
(7)	G401
(8)	S331
(9)	S301 (Z55 and Z95)
(10)	C300
(11)	S300
(12)	G300

Figure 36:

Rear HVAC Module - SWB w/C69


(1)	C407 (C69)
(2)	G402 (C69)
(3)	Blower Motor - Auxiliary
(4)	Mode Actuator - Auxiliary
(5)	Air Temperature Actuator - Auxiliary
(6)	Blower Motor Control Module - Auxiliary
(7)	Air Temperature Sensor - Lower Auxiliary (CJ2)

Figure 37:

Rear HVAC Module - LWB w/C69


(1)	Mode Actuator - Auxiliary
(2)	Blower Motor - Auxiliary
(3)	C407 (C69)
(4)	G402 (C69)
(5)	Blower Motor Control Module - Auxiliary
(6)	Air Temperature Actuator - Auxiliary
(7)	Air Temperature Sensor - Lower Auxiliary (CJ2)

Figure 38:

Liftgate Harness (E52)


(1)	C405
(2)	S900
(3)	Rear Window Defogger C2
(4)	C900
(5)	C901
(6)	S904
(7)	S903
(8)	S902
(9)	Rear Window Defogger C1
(10)	S901