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

Engine Harness (LLV)
Object Number: 1333135 Size: LF
(1)Engine Control Module (ECM) X2
(2)Engine Control Module (ECM) X3
(3)Throttle Body
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Evaporative Emission (EVAP) Canister Purge Solenoid
(6) Knock Sensor (KS)
(7)Generator
(8)Crankshaft Position (CKP) Sensor
(9)X105 (4WD)/X106 (2WD) (Engine Harness to Body Harness)
(10)Fuse Block - Underhood X2
(11)A/C Compressor Clutch
(12)G101
(13)G103
(14)G102
(15)Engine Oil Pressure (EOP) Sensor
(16)Camshaft Position (CMP) Sensor
(17)X100 (4WD) (Engine Harness to Front Axle Jumper Harness)
(18)Camshaft Position (CMP) Actuator Solenoid - Bank 1 Exhaust
(19)Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
Figure 2:

Engine Harness (LLR)
Object Number: 1334046 Size: LF
(1)Engine Control Module (ECM) X2
(2)Engine Control Module (ECM) X3
(3)Throttle Body
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Evaporative Emission (EVAP) Canister Purge Solenoid
(6) Knock Sensor (KS) 2
(7)Generator
(8)X105 (4WD)/X106 (2WD) (Engine Harness to Body Harness)
(9)Fuse Block - Underhood X2
(10)Camshaft Position (CMP) Sensor 2
(11)Crankshaft Position (CKP) Sensor
(12)A/C Compressor Clutch
(13)Knock Sensor (KS) 1
(14)G101
(15)G103
(16)G102
(17)Engine Oil Pressure (EOP) Sensor
(18)Camshaft Position Sensor 1
(19)X100 (4WD) (Engine Harness to Front Axle Jumper Harness)
(20)Camshaft Position (CMP) Actuator Solenoid - Bank 1 Exhaust
(21)Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
Figure 3:

Battery Cable Harness
Object Number: 1390640 Size: LF
(1)G104
(2)Starter
(3)Generator X2
(4)Battery
(5)G100
(6)Battery Negative Terminal
(7)Fuse Block - Underhood
(8)Ring Terminal Battery
(9)Ring Terminal Generator
(10)Battery Positive Terminal
(11)Generator
Figure 4:

Body Harness 1 of 2 (Regular Cab)
Object Number: 1332665 Size: LF
(1)Wheel Speed Sensor (WSS) - Left Front
(2)Brake Fluid Level Switch
(3)Windshield Wiper Motor
(4)Pass-through Grommet
(5)Electronic Brake Control Module (EBCM)
(6)G105
(7)X102 (Body Harness to Chassis Harness)
(8)X105 (4WD)/X106 (2WD) (Engine Harness to Body Harness)
(9)Fuse Block - Underhood X4
(10)Fuse Block - Underhood X5
(11)Fuse Block - Underhood X7
(12)Fuse Block - Underhood X6
(13)X104 (Forward Lamp Harness to Body Harness), X103 (Forward Lamp Harness to Body Harness)
(14)G106
(15)Wheel Speed Sensor (WSS) - Right Front
(16)Engine Control Module (ECM) X1
(17)Windshield Washer Fluid Pump
(18)Pass-through Grommet
(19)A/C Refrigerant Pressure Sensor (C60)
Figure 5:

Body Harness 2 of 2 (Regular Cab)
Object Number: 1332342 Size: LF
(1)Body Control Module (BCM) X1
(2)X201 (I/P Harness to Body Harness)
(3)G301
(4)G302
(5)Cargo Lamp/Center High Mounted Stop Lamp (CHMSL)
(6)Door Jamb Switch - Front Passenger
(7)X313 (Body Harness to Passenger Seat Harness)
(8)Seat Belt Pretensioner - Right Front
(9)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(10)Transfer Case Shift Control Module
(11)X314 (Body Harness to Driver Seat Harness)
(12)G Sensor
(13)Seat Belt Pretensioner - Left Front
(14)Door Jamb Switch - Driver
(15)G300
(16)Stop Lamp Switch
(17)TCC Brake/Cruise Release Switch
(18)Park Brake Switch
(19)J303
(20)Clutch Switch
(21)Clutch Start Switch
(22)X208 (I/P Harness to Body Harness)
(23)X202 (Driver Door Harness to Body Harness)
(24)C209 (Body Harness to Driver Door Harness)
(25)C200 (I/P Harness to Body Harness)
(26)C275 (Body Harness to Steering Wheel Harness)
(27)Inflatable Restraint Roof Rail Module - Left
(28)Accelerator Pedal Position (APP) Sensor
(29)C310 (Dome Lamp Harness to Body Harness)
(30)C210 and C211 (A31) (Body Harness to Passenger Door Harness)
(31)Inflatable Restraint Roof Rail Module - Right
(32)Inside Rearview Mirror
Figure 6:

Body Harness 1 of 2 (Extended Cab)
Object Number: 1332665 Size: LF
(1)Wheel Speed Sensor (WSS) - Left Front
(2)Brake Fluid Level Switch
(3)Windshield Wiper Motor
(4)Pass-through Grommet
(5)Electronic Brake Control Module (EBCM)
(6)G105
(7)X102 (Body Harness to Chassis Harness)
(8)X105 (4WD)/X106 (2WD) (Engine Harness to Body Harness)
(9)Fuse Block - Underhood X4
(10)Fuse Block - Underhood X5
(11)Fuse Block - Underhood X7
(12)Fuse Block - Underhood X6
(13)X104 and X103 (Forward Lamp Harness to Body Harness)
(14)G106
(15)Wheel Speed Sensor (WSS) - Right Front
(16)Powertrain Control Module (PCM) X1
(17)Windshield Washer Fluid Pump
(18)Pass-through Grommet
(19)A/C Refrigerant Pressure Sensor (C60)
Figure 7:

Body Harness 2 of 2 (Extended Cab)
Object Number: 1390332 Size: LF
(1)X310 (Dome Lamp Harness to Body Harness)
(2)X201 (I/P Harness to Body Harness)
(3)G301
(4)G302
(5)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(6)X313 (Body Harness to Passenger Seat Harness)
(7)X317 (Body Harness to RR Passenger Door Harness)
(8)X312 (Body Harness to RR Passenger Door Harness)
(9)Cargo Lamp/Center High Mounted Stop Lamp (CHMSL)
(10)X316 (Body Harness to LR Passenger Door Harness)
(11)X311 (Body Harness to LR Passenger Door Harness)
(12)X314 (Body Harness to Driver Seat Harness)
(13)Transfer Case Shift Control Module X1
(14)Transfer Case Shift Control Module X2
(15)G Sensor
(16)G300
(17)Accelerator Pedal position (APP) Sensor
(18)J102
(19)J100
(20)Stop Lamp Switch
(21)TCC Brake/Cruise Release Switch
(22)Park Brake Switch
(23)Clutch Switch
(24)Inflatable Restraint Roof Rail Module - Right
(25)X211 (A31) (Body Harness to Passenger Door Harness)
(26)X210 (A31) (Body Harness to Passenger Door Harness)
(27)X200 (I/P Harness to Body Harness)
(28)X275 (Body Harness to Steering Wheel Harness)
(29)Clutch Start Switch (MA5)
(30)Body Control Module (BCM) X1
(31)X209 (Body Harness to Driver Door Harness)
(32)X202 (Body Harness to Driver Door Harness)
(33)Inside Rearview Mirror
Figure 8:

Body Harness 1 of 2 (Crew Cab)
Object Number: 1332665 Size: LF
(1)Wheel Speed Sensor (WSS) - Left Front
(2)Brake Fluid Level Switch
(3)Windshield Wiper Motor
(4)Pass-through Grommet
(5)Electronic Brake Control Module (EBCM)
(6)G105
(7)X102 (Body Harness to Chassis Harness)
(8)X105 (4WD)/X106 (2WD) (Engine Harness to Body Harness)
(9)Fuse Block - Underhood X4
(10)Fuse Block - Underhood X5
(11)Fuse Block - Underhood X7
(12)Fuse Block - Underhood X6
(13)X104 (Forward Lamp Harness to Body Harness) and X103 (Forward Lamp Harness to Body Harness)
(14)G106
(15)Wheel Speed Sensor (WSS) - Right Front
(16)Engine Control Module (ECM) X1
(17)Windshield Washer Fluid Pump
(18)Pass-through Grommet
(19)A/C Refrigerant Pressure Sensor (C60)
Figure 9:

Body Harness 2 of 2 (Crew Cab)
Object Number: 1332757 Size: LF
(1)Body Control Module (BCM) X1
(2)X201 (I/P Harness to Body Harness)
(3)G301
(4)G302
(5)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(6)X317 (Body Harness to Right Rear Passenger Door Harness)
(7)Cargo Lamp/Center High Mounted Stop Lamp (CHMSL)
(8)Door Jamb Switch - Front Passenger
(9)Seat Belt Pretensioner - Right Front
(10)Door Jamb Switch - Right Rear
(11)X313 (Body Harness to Passenger Seat Harness)
(12)X316 (Body Harness to Left Rear Passenger Door Harness)
(13)X314 (Body Harness to Driver Seat Harness)
(14)Seat Belt Pretensioner - Left Front
(15)Door Jamb Switch - Left Rear
(16)Door Jamb Switch - Driver
(17)Transfer Case Shift Control Module X1 and X2
(18)G Sensor
(19)G300
(20)Stop Lamp Switch
(21)TCC Brake/Cruise Release Switch
(22)Park Brake Switch
(23)J303
(24)Clutch Switch
(25)Clutch Start Switch
(26)X208 (I/P Harness to Body Harness)
(27)X202 (Driver Door Harness to Body Harness)
(28)X209 (Body Harness to Driver Door Harness)
(29)X200 (I/P Harness to Body Harness)
(30)X275 (Body Harness to Steering Wheel Harness)
(31)Inflatable Restraint Roof Rail Module - Left
(32)Accelerator Pedal Position (APP) Sensor
(33)X310 (Dome Lamp Harness to Body Harness)
(34)X210 and X211 (A31) (Body Harness to Passenger Door Harness)
(35)Inflatable Restraint Roof Rail Module - Right
(36)Inside Rearview Mirror