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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1473 (Wiring Systems (General Information)) >> Schematic and Routing Diagrams >> Harness Routing Views

Harness Routing Views

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Forward Lamp Harness Routing View, Fuse Block-Underhood
GM748823Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C105
2 Forward Lamp Harness
3 G101
4 Brake Fluid Level Connector
5 G105
6 G102
Fig 2: Forward Lamp Harness Routing View, Fuse Block-Underhood
GM748813Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 G101
2 Forward Lamp Harness
3 Fuse Block-Underhood, C4
Fig 3: Forward Lamp Harness Routing View, Front
GM748819Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Ambient Air Temperature Sensor Connector
2 Forward Lamp Harness
3 C118
Fig 4: Forward Lamp Harness Routing View, Right Side
GM748820Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 G103
2 A/C Low Pressure Switch
3 Winshield Washer Fluid Pump Connectors
4 Windshield Washer Fluid Level Switch
5 Forward Lamp Harness
Fig 5: Engine Harness Routing View, Fuse Block-Underhood
GM748821Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C105, I/P to Forward Lamp Harness, Fuse Block-Underhood
2 C4, Forward Lamp Harness, Fuse Block-Underhood
3 C3, Chassis Harness, Fuse Block-Underhood
4 C2, Instrument Panel Harness, Fuse Block-Underhood
5 C101, I/P to Chassis Harness
6 C1, Engine Harness, Fuse Block-Underhood
Fig 6: Engine Harness Routing View, Fuse Block-Underhood
GM748824Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 PCM
2 C100, Engine Harness to I/P Harness
3 C1, Fuse Block-Underhood
4 PCM Connectors
5 Engine Harness
Fig 7: Engine Harness Routing View, Right Side
GM748825Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Engine Harness
2 C104, Engine to Fuel Injection Harness
Fig 8: Engine Harness Routing View, Right Front
GM748826Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Engine Harness
2 Oil Pressure Sensor Connector
Fig 9: Engine Harness Routing View, Automatic Transmission
GM748827Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Engine Harness
2 Engine Harness
Fig 10: Engine Harness Routing View, Transfer Case
GM799400Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Transfer Case Motor Encoder Connector
2 C310, Engine to Chassis Harness
3 Engine Harness
4 Chassis Harness
Fig 11: Connector C201 Harness Routing View
GM748385Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Multi-function Switch
2 C201
Fig 12: Front Passenger & Driver Seats Harness Routing View
GM800582Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C312
2 C313
3 C311
4 C315
5 C316
6 C314
Fig 13: Chassis Harness Routing View, Underhood
GM748836Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Chassis Harness
2 Chassis Harness
3 Axle Switch Connector
Fig 14: Chassis Harness Routing View, Frame-Left Side
GM748838Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Chassis Harness
2 Electronic Brake Control Module (EBCM)
3 G304
Fig 15: Chassis Harness Routing View, Fuel Tank
GM748841Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Pump and Sender Assembly
2 Canister Vent Solenoid Connector
3 Fuel Tank Pressure (FTP) Sensor
4 Chassis Harness
Fig 16: Chassis Harness Routing View, Rear Crossmember
GM748848Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Air Suspension Sensor Connector
2 Chassis Harness
Fig 17: Chassis Harness Routing View, Frame Grounds
GM748851Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 G304
2 G305
3 G403 (Short Wheelbase)
Fig 18: Chassis Harness Routing View, Rear Frame
GM748853Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Chassis Harness
2 Backup Lamp Socket
Fig 19: Underhood Fuse Block Harness Routing View
GM748854Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 G104
2 G105
3 C105, Instrument to Forward Lamp Harness
4 C101, Instrument to Chassis Harness
5 G102
6 Windshield Wiper Connector
Fig 20: Instrument Harness, Engine Compartment
GM748860Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C104, Engine to Fuel Injector Harness
2 C100, I/P to Engine Harness
3 C105, I/P to Forward Lamp Harness
4 Fuse Block Underhood, C2
5 C101, Instrument to Chassis Harness
6 PCM Connector, C1
Fig 21: Instrument Harness Routing View, Left I/P
GM748862Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Headlamp Switch Connectors
2 Splice Pack SP205
3 Grommet
4 Instrument Panel Harness
Fig 22: Instrument Harness Routing View, Instrument Panel
GM748865Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Connector C203
2 Accessory Power Connector
3 Cigar Lighter Connector
4 Rear Window Wiper/Washer Connector
5 Headlamp Switch
Fig 23: Instrument Harness Routing View, Console
GM748867Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C307, I/P to Console Harness
Fig 24: Instrument Panel Harness Routing View, Right Side
GM879165Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Instrument Panel
2 Body Harness
3 C203, Body Harness
4 C203, I/P Harness
Fig 25: Instrument Harness Routing View, Floor
GM748869Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 SP201, Ground Splice Pack
2 Instrument Panel Harness
3 C307, I/P to Console Harness
4 Sensing and Diagnostic Module Connector
5 C304, I/P to Body Harness
6 C301, I/P to Body Harness
Fig 26: Instrument Harness Routing View, Rear Floor
GM748868Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Body Control Module (BCM) Connectors
2 Fuse Block-Rear, I/P Connector, C1
3 Fuse Block-Rear, Body Connector, C2
4 Fuse Block-Rear, Headliner Connector, C3
5 I/P Harness
6 VCIM Connectors
7 Splice Pack SP306
Fig 27: Floor Console Harness Routing View (Long Wheelbase, Body Type VIN 6)
GM855630Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Front Floor Panel
2 Front Floor Console
3 Body Harness
4 C309
Fig 28: Body Wiring Harness Extension Harness Routing View
GM841111Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Body Control Module (BCM)
2 Body Wiring Harness Extension Harness
3 Fuse Block-Rear
Fig 29: Front Doors, C500 & C600 Harness Routing View
GM1232491Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Door, LF
2 Body Wiring Harness
3 C500, C600 similar on right side
Fig 30: Body Harness Routing View, Rear Floor
GM748872Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuse Block-Rear, Body Connector, C2
2 C304, Body to Instrument Harness (Short Wheelbase, Body Type VIN 3)
3 C306 Body to Headliner Harness (Short Wheelbase, Body Type VIN 3)
4 C301, Body to Instrument Harness (Short Wheelbase, Body Type VIN 3)
5 Vehicle Communication Interface Module (VCIM) Connectors
Fig 31: Body Harness Routing View, Rear Floor (Long Wheelbase, Body Type VIN 6)
GM849565Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C301
2 C304
3 Body Harness
4 Rear Floor
5 Instrument Panel Harness
Fig 32: Body Harness Routing View, Left Rear Floor (Long Wheelbase, Body Type VIN 6)
GM849569Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuse Block-Rear
2 Body Harness
3 Headliner Harness
4 C306
Fig 33: Body Harness Routing View, C401 (Long Wheelbase, Body Type VIN 6)
GM872310Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Mode Actuator-Auxiliary
2 Blower-Auxiliary
3 Air Temperature Actuator-Auxiliary
4 C401
5 In-Line 30A Fuse
Fig 34: Headliner Harness Routing View, Overhead Console
GM795316Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Overhead Console
2 C305
Fig 35: Headliner Harness Routing View, Left B-Pillar
GM748876Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Headliner Harness
2 Door Frame
3 G302
Fig 36: Headliner Harness Routing View, Left Rear Floor
GM748877Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C306, Headliner Harness to Body Harness
2 Fuse Block-Rear, Headliner Connector, C3
3 Body Harness
4 Headliner Harness
Fig 37: Sunroof Harness Routing View With Headliner Removed
GM813455Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C308
2 Sunroof Motor Connector
3 Connector C1
4 Sunroof Module
5 Connector C2
Fig 38: Rear Doors, C700 & C800
GM755998Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Door, LR
2 C700, C800 similar on right side
3 Body Wiring Harness
Fig 39: G401, G402 Harness Routing View
GM826159Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Body Side Lower Reinforcement
2 Body Harness
3 G401; G402 Similar on Opposite Side
Fig 40: Tailgate Connector Harness Routing View
GM755995Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Liftgate
2 C900
3 Body Opening
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