Harness Routing Views. Chevrolet Kodiak C-Series Commercial (Cutaway) C4/C5 2003

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2003 🢒 Kodiak C-Series Commercial (Cutaway) C4/C5 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Harness Routing Views

Figure 1:

Forward Lamp Harness - Left/Right Routing - V22 Shown, GRW Similar


(1)	S144
(2)	Core Support
(3)	LH Frame Rail
(4)	S117
(5)	C107 (5 cavities) Chassis Harness to Forward Lamp Harness - Left
(6)	C108 (5 cavities) Chassis Harness to Forward Lamp Harness - Right
(7)	S143

Figure 2:

A/C Harness


(1)	A/C High Pressure Switch Connector
(2)	A/C Compressor Clutch Connector
(3)	C102
(4)	A/C Low Pressure Switch Connector
(5)	S147
(6)	A/C Compressor Clutch Relay
(7)	Diode
(8)	S148

Figure 3:

Right Front of Vehicle


(1)	Exhaust Brake Actuator Control Solenoid Valve (K40/NPE)
(2)	Exhaust Brake Actuator Control Solenoid Valve Connector (K40/NPE)
(3)	C121 (10 cavities - Upfitter PTO Connector)
(4)	Exhaust Brake Relay (K40/NPE)
(5)	G100
(6)	C104 (6 cavities - LG4/LG5/LLY) Engine Chassis Harness to the Exhaust Brake Harness
(7)	Battery Isolator (VNF)
(8)	C101 (30 cavities) I/P Harness to the Engine Chassis Harness
(9)	C124 (24 cavities) I/P Harness to the Engine Chassis Harness
(10)	Exhaust Brake Harness
(11)	Engine Chassis Harness

Figure 4:

Backup Alarm Siren, C412, Tail Lamp - Left, Right


(1)	Backup Alarm (UZF)
(2)	S410
(3)	C412
(4)	Tail Lamp Assembly - Right
(5)	S411
(6)	Tail Lamp Assembly - Left

Figure 5:

Back Right of the Engine Compartment


(1)	Powertrain Control Module (PCM) Connector
(2)	Powertrain Control Module (PCM)
(3)	Throttle Actuator Control (TAC) Module
(4)	I/P Harness
(5)	Throttle Actuator Control (TAC) Module - C1
(6)	Throttle Actuator Control (TAC) Module - C2
(7)	Engine Harness

Figure 6:

Body Harness


(1)	Marker Lamp - Roof
(2)	Marker Lamp - Roof
(3)	Marker Lamp - Roof
(4)	Marker Lamp - Roof
(5)	Marker Lamp - Roof
(6)	Marker Lamp - Roof
(7)	Dome/Reading Lamp - Front
(8)	Dome/Reading Lamp - Rear
(9)	Rear Window Defogger Grid Connector
(10)	S301
(11)	S302
(12)	S325
(13)	C700
(14)	Blower Motor - Auxiliary C1
(15)	Blower Motor - Auxiliary C2
(16)	Blower Motor Resistor - Auxiliary
(17)	Blower Motor Relay - Auxiliary
(18)	Coolant Bypass Valve Solenoid
(19)	S323
(20)	S324
(21)	C315
(22)	C800
(23)	Inflatable Restraint Sensing and Diagnostic Module (SDM)
(24)	S338
(25)	S337
(26)	S336
(27)	S308
(28)	S310
(29)	S500
(30)	S330
(31)	C206
(32)	C203
(33)	Inflatable Restraint Diagnostic Resistor
(34)	C209
(35)	C204

Figure 7:

Connectors C118 and C119


(1)	C118 (40 cavities) Engine Harness to the Engine Chassis Harness
(2)	C119 (24 cavities) Engine Harness to the Engine Chassis Harness

Figure 8:

Chassis Harness - 1 of 3


(1)	S320
(2)	C108
(3)	S321
(4)	C107
(5)	S900
(6)	S901
(7)	Wheel Speed Sensor (WSS) - RF
(8)	C214
(9)	C100
(10)	C405
(11)	Electronic Air Compressor
(12)	S404
(13)	S400
(14)	Electronic Brake Control (EBCM) Module
(15)	Wheel Speed Sensor (WSS) - LF
(16)	C117
(17)	Horn
(18)	Inflatable Restraint Front End Sensor
(19)	S403

Figure 9:

Chassis Harness - 2 of 3


(1)	S409
(2)	S257
(3)	S256
(4)	C305 - Upfitter Lighting Connector (12 cavities - Chassis Harness to Upfitter Harness)
(5)	Splice Pack SP400 (Ground Block)

Figure 10:

Chassis Harness - 3 of 3


(1)	C409
(2)	C412
(3)	Wheel Speed Sensor (WSS) - RR

Figure 11:

Console Harness


(1)	C315
(2)	Cigar Lighter

Figure 12:

Crossbody Harness - 1 of 2


(1)	S219
(2)	S300
(3)	S506
(4)	S500
(5)	C600
(6)	G103
(7)	C207

Figure 13:

Cross Body/Brake Harness - 2 of 2


(1)	Clutch Pedal Position (CPP) Switch
(2)	Stop Lamp Switch Connector
(3)	C208
(4)	C500

Figure 14:

Driver Door Harness - 1 of 2


(1)	C500
(2)	S503
(3)	S502
(4)	Mirror Control Switch
(5)	Window Switch - Driver C1 (Crew Cab Only)
(6)	Window Switch - Driver (Regular Cab) C2 (Crew Cab Only)
(7)	S501
(8)	Window Motor - Driver
(9)	S500
(10)	Door Lock Switch - Passenger
(11)	Speaker - RF Tweeter
(12)	Speaker - RF Door
(13)	S504
(14)	S505
(15)	Outside Rearveiw Mirror (OSRVM) - Driver
(16)	C206

Figure 15:

Driver Door Harness - 2 of 2


(1)	Door Jamb Switch
(2)	Door Lock Actuator - Passenger

Figure 16:

Engine Chassis Harness - 1 of 2 (LLY)


(1)	S120
(2)	S275
(3)	S276
(4)	S118
(5)	S100
(6)	C105
(7)	G100
(8)	C175
(9)	C100
(10)	S166
(11)	C124
(12)	C102
(13)	C101
(14)	S107
(15)	S164
(16)	S121
(17)	S102
(18)	S173
(19)	S101
(20)	C121
(21)	S103

Figure 17:

Engine Harness (LLY)


(1)	C119
(2)	C118
(3)	C113

Figure 18:

Engine Harness (LLY)


(1)	C119
(2)	C118
(3)	C113

Figure 19:

Engine Exhaust Brake Harness


(1)	Exhaust Brake Relay
(2)	C104
(3)	S303
(4)	Exhaust Brake Solenoid

Figure 20:

Engine Harness 6.6L - 1 of 2


(1)	S106
(2)	Glow Plug
(3)	Secondary Generator
(4)	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(5)	Glow Plug
(6)	Generator
(7)	C102
(8)	Engine Control Module (ECM) Connector C1
(9)	Fuse Block-Underhood (Primary)
(10)	Engine Control Module (ECM) Connector C2
(11)	S276
(12)	S275
(13)	S120
(14)	S118
(15)	C121 (10 cavities - Upfitter PTO Connector)
(16)	S103
(17)	S101
(18)	S100
(19)	S146
(20)	S121
(21)	S102
(22)	C101 (30 cavities) I/P Harness to the Engine Chassis Harness
(23)	C124 (24 cavities) I/P Harness to the Engine Chassis Harness
(24)	C102 (Upfitter PTO Connector - 10 cavities - PTO)
(25)	C100 (30 cavities) Chassis Harness to the Engine Chassis Harness
(26)	Transmission Control Module (TCM) Connector C1
(27)	Transmission Control Module (TCM) Connector C2
(28)	G202
(29)	C119 (24 cavities) Engine Harness to the Engine Chassis Harness
(30)	C118 (40 cavities) Engine Harness to the Engine Chassis Harness
(31)	Glow Plug

Figure 21:

Engine Harness 6.6L - 2 of 2


(1)	Park/Neutral Position (PNP) Switch Connector C1 (Allison® LCT)
(2)	Turbine Shaft Speed (TSS) Sensor (Allison® LCT)
(3)	Automatic Transmission Input Shaft Speed (AT ISS) Sensor (Allison® LCT)
(4)	Vehicle Speed Sensor (VSS)
(5)	C111
(6)	Junction Block - Underhood
(7)	C175 (20 cavities - Allison® LCT) Engine Harness to the Internal Transmission Harness
(8)	Park/Neutral Position (PNP) Switch Connector C2 (Allison® LCT)

Figure 22:

Fuel Sender


(1 )	Fuel Sender
(2)	S420
(3)	Fuel Pump Relay - Secondary
(4)	Wheel Speed Sensor (WSS) - LR (JE3/C4/C5/C6/C7)
(5)	S408
(6)	S407
(7)	S418
(8)	G400
(9)	Fuel Transfer Pump - Secondary
(10)	Fuel Sender - Secondary
(11)	C420

Figure 23:

Air Compressor (K16), Fuel Tanks and Trailer Connector (RQ2 and U86 or RQ3)


(1)	Splice Pack SP400 (Ground Block)
(2)	C409 (8 cavities) Fuel Tank Harness to the Chassis Harness
(3)	Fuel Pump (FP) Relay
(4)	Fuel Sender - Secondary
(5)	Fuel Tank Transfer Pump - Secondary
(6)	Trailer Connector (RQ2 and U86 or RQ3)
(7)	C410 (3 cavities - K16) Chassis Harness to the Air Compressor Harness
(8)	Air Compressor Connector (K16)
(9)	Air Compressor Relay (K16)
(10)	Air Compressor (K16)
(11)	Fuel Sender - Primary

Figure 24:

I/P Switchbank Harness


(1)	S251
(2)	S236
(3)	S285
(4)	S239
(5)	S900
(6)	S258
(7)	C202 (30 cavities) I/P Switchbank Harness to the I/P Harness
(8)	S235

Figure 25:

I/P Harness - 1 of 2


(1)	S223
(2)	S202
(3)	S279
(4)	S200
(5)	S280
(6)	S212
(7)	S203
(8)	S220
(9)	S412
(10)	S273
(11)	S274
(12)	S214
(13)	Inflatable Restraint I/P Module
(14)	Air Temperature Actuator
(15)	S209
(16)	Blower Motor Relay
(17)	Fuse Block - Underhood (Secondary)
(18)	G202
(19)	C109
(20)	S218
(21)	S260
(22)	C101
(23)	S269
(24)	C207
(25)	G103
(26)	S232
(27)	C201
(28)	S206
(29)	S268
(30)	S284
(31)	S207
(32)	S244
(33)	S255
(34)	S245
(35)	Aux Power 1
(36)	S243
(37)	S265
(38)	Aux Power 2
(39)	C202
(40)	S205

Figure 26:

I/P Harness - 2 of 2


(1)	S249
(2)	Headlamp Switch
(3)	S261
(4)	S232
(5)	S264
(6)	S259
(7)	S217
(8)	Instrument Panel Cluster (IPC)
(9)	Windshield Wiper Motor
(10)	S252
(11)	Turn Signal/Hazard Flasher Module
(12)	S253
(13)	Transfer Case Shift Control Switch
(14)	Daytime Running Lamps (DRL) Diode
(15)	Overdrive Defeat Switch
(16)	S210
(17)	S213
(18)	Radio
(19)	S222
(20)	Driver Information Center (DIC)
(21)	HVAC Control Assembly - C2
(22)	HVAC Control Assembly - C1
(23)	S211
(24)	S216
(25)	S219
(26)	Data Link Connector (DLC)
(27)	J1939 Terminator
(28)	Diagnostic Tool Connector
(29)	Serial Data Gateway
(30)	Chime Module
(31)	Accelerator Pedal Position (APP) Sensor
(32)	S230
(33)	S204
(34)	C201
(35)	Inflatable Restraint Steering Wheel Module
(36)	S207
(37)	C209
(38)	HVAC Control Assembly - C3
(39)	C210 (JE3) or C304 (RQ2 and U86 or RQ3)
(40)	C206
(41)	Park Brake Foot Switch
(42)	G101
(43)	C203
(44)	Windshield Washer Fluid Pump
(45)	S240
(46)	Splice Pack SP203
(47)	Daytime Running Lamps (DRL) Diode

Figure 27:

Lower Right Side of the Engine


(1)	G118
(2)	Engine Block
(3)	G120
(4)	G119

Figure 28:

Park Brake Harness


(1)	C210
(2)	Park Brake Switch Connector

Figure 29:

Passenger Door Harness-1 of 2


(1)	C500
(2)	S603
(3)	S244
(4)	Mirror Control Switch
(5)	Window Switch - Passenger
(6)	S208
(7)	Door Lock Switch - Passenger
(8)	Speaker - RF Tweeter
(9)	Speaker - RF Door
(10)	Window Motor - Passenger
(11)	S602
(12)	S604
(13)	Outside Rearview Mirror - Passenger

Figure 30:

Passenger Door Harness-2 of 2


(1)	Door Jamb Switch - Passenger
(2)	Door Lock Actuator - Passenger

Figure 31:

Rear Lamp Harness


(1)	C412
(2)	S410
(3)	S411
(4)	Right Hand Tail Lamp Connector
(5)	Left Hand Tail Lamp Connector