GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Tracker - 2WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Harness Routing Views
Figure 1:

Engine Harness (1.6L)
Object Number: 477407 Size: MF
(1)Engine Harness
(2)G103
(3)C102
Figure 2:

Engine Harness (2.0L)


Object Number: 477404 Size: LF
(1)Engine Harness
(2)C102
(3)P100
(4)C210-California only
(5)C212
(6)Engine Harness
(7)G103
Figure 3:

Engine Harness (2.5L)
Object Number: 738833 Size: LF
(1)Mass Air Flow (MAF) sensor
(2)Throttle Position Sensor (TPS)
(3)Exhaust Gas Recovery (EGR) valve
(4)Idle Air Control Valve
(5)Coil 5
(6)Camshaft Position (CMP) sensor
(7)Coil 3
(8)Coil 1
(9)C102
(10)Engine Coolant Temperature
(11)Heated Oxygen Sensor 1
(12)Heated Oxygen Sensor 3
(13)Heated Oxygen Sensor 2
(14)Heated Oxygen Sensor 4
(15)Crankshaft Position (CKP) sensor
(16)Coil 2
(17)Coil 4
(18)Coil 6
(19)Manifold Absolute Pressure
(20)Transmission Range Switch
(21)Noise Suppressor
(22)EVAP Canister Purge Valve
(23)Input Shaft Speed sensor
(24)Shift Solenoid
(25)Output Shaft Speed sensor
(26)EVAP Canister Air Valve
(27)Four-Wheel Drive (4WD) Switch
(28)Four-Wheel Drive (4WD) Low Switch
(29)Vehicle Speed Sensor (VSS)
Figure 4:

Fuel Injector Harness (1.6L and 2.0L)
Object Number: 477380 Size: LF
(1)C102
(2)Fuel Injector Harness
Figure 5:

Fuel Injector Harness and Battery Cable Harness (2.5 L)
Object Number: 739226 Size: LF
(1)C102
(2)Injector number 5
(3)Injector number 3
(4)Injector number 1
(5)Injector Harness
(6)Generator
(7)Ground G101
(8)Generator
(9)Battery Cable
(10)C116
(11)Fuse Block
(12)Fuse Block
(13)Ground G100
(14)Starter Solenoid
(15)Starter Motor
(16)Injector number 2
(17)Injector number 4
(18)Injector number 6
Figure 6:

Instrument Panel Harness and SIR Harness
Object Number: 739231 Size: LF
(1)Hazard Switch
(2)Rear Defogger Switch
(3)Blower Motor Switch
(4)Heater Illumination
(5)A/C Switch
(6)Radio
(7)Instrument Panel Harness
(8)Ambient Light Sensor
(9)SIR Passenger Inflator
(10)C202
(11)Blower Resistor
(12)SIR Harness
(13)Ashtray Lamp
(14)C215
(15)SIR Module
(16)Ground G200
(17)Cigar Lighter
(18)Data Link Connector (DLC) OBD2
(19)SIR Driver Inflator
(20)C217
(21)SIR Data Link Connector
(22)C201
(23)C206
(24)C207
(25)C213
(26)Junction Block C4
(27)Air Bag Fuse
(28)Mirror Switch
(29)Illumination Controller
(30)Cruise Control Main Switch
(31)Rear Wiper/Washer Switch
(32)Rear Defogger Timer
(33)SIR Coil C1
(34)Instrument Cluster C2
(35)Instrument Cluster C1
(36)Instrument Cluster C3
Figure 7:

Main Harness
Object Number: 738655 Size: LF
(1)C214
(2)Main Harness
(3)C209
(4)C211
(5)P201
(6)C202
(7)Blower Motor Relay
(8)Blower Motor
(9)SP201
(10)C210
(11)C212
(12)Powertrain Control Module (PCM) C1
(13)Daytime Running Lights (DRL) Diode
(14)Shift Program Switch
(15)Shift Lock Diode
(16)Shift Lock Solenoid
(17)Accelerometer
(18)Parking Brake Switch
(19)Auxiliary Power Outlet
(20)Auxiliary Power Outlet
(21)C203
(22)Combination Switch
(23)Headlight Relay
(24)Ignition Switch
(25)C201
(26)Junction Block C2
(27)Junction Block C3
(28)C204
(29)C205
(30)Junction Block C1
(31)Option Connector
(32)SP200
(33)Fuel Pump Relay
(34)C207
(35)C206
(36)C208
(37)P200
(38)Clutch Pedal Position Switch
(39)Cruise Release Switch
(40)Stop Lamp Switch
(41)Door Unlock Relay
(42)Door Lock Relay
(43)Remote Keyless Entry (RKE) module
(44)C200
(45)Daytime Running Lights (DRL) module
Figure 8:

Main Harness
Object Number: 739230 Size: LF
(1)Front Wiper Motor
(2)Brake Fluid Level Switch
(3)Electronic Brake Control Module (EBCM)
(4)Oxygen Heater Relay
(5)Cruise Control Module
(6)Rear Washer Pump
(7)Front Washer Pump
(8)Left Side Marker
(9)Left Front Turn Signal
(10)Left Hand Headlamp
(11)Power Steering Pressure Switch (2.0L)
(12)Ground G104
(13)C104
(14)Power Steering Pressure Switch (2.5L)
(15)Oil Pressure Switch
(16)Front Drive Axle Actuator Pump
(17)Horn
(18)Ground 105
(19)Power Steering Pressure Switch (1.6L)
(20)Right Hand Headlamp
(21)Right Front Turn Signal
(22)Right Side Marker
(23)Intake Air Temperature (IAT) Sensor
(24)C101
(25)C103
(26)Option Connector
(27)C116
(28)Fuse Block C2
(29)Shift Lock Relay
(30)Fuse Block C4
(31)Horn Relay
(32)Fuse Block C1
(33)Fuse Block C5
(34)Fuse Block C3
(35)A/C Fuse
(36)Main Harness
Figure 9:

Floor Harness (2-DR)
Object Number: 477480 Size: LF
(1)C400
(2)C402
(3)C307
(4)G400
(5)C205
(6)C204
(7)C213
(8)Floor Harness
Figure 10:

Floor Harness (4-DR)
Object Number: 477473 Size: LF
(1)C400
(2)C302
(3)C301
(4)G400
(5)C213
(6)C204
(7)C205
(8)C304
(9)C303
(10)Floor Harness
Figure 11:

Door Harnesses (4-DR)
Object Number: 477474 Size: LF
(1)Right Rear Door Harness
(2)P700
(3)Left Rear Door Harness
(4)C305
(5)C301
(6)Left Front Door Harness
(7)P500
(8)C208
(9)C306
(10)Right Front Door Harness
(11)C211
(12)P600
(13)P800
Figure 12:

Dome Harness (4-DR)
Object Number: 477483 Size: MF
(1)C209
(2)Dome Lamp Harness
Figure 13:

Dome and Map Lamp Harnesses (2-DR)
Object Number: 477471 Size: MF
(1)C307
(2)C209
(3)Map Lamp Harness
Figure 14:

Back Door Harness (4-DR)
Object Number: 477488 Size: LF
(1)C400
(2)P400
(3)Back Door Harness
(4)G401
(5)C403
Figure 15:

Back Door Harness (2-DR)
Object Number: 477487 Size: LF
(1)C400
(2)P400
(3)Back Door Harness
(4)C402
(5)G401
(6)C403