Hummer H2. Manual - part 1057

 

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Hummer H2. Manual - part 1057

 

 

vehicle

Lighting Systems

in Lighting Systems

Tail/Stop Lamp - Right

On the right rear of the 
vehicle

Lighting Systems 

Component Views in 

Lighting Systems

Lighting Systems 

Connector End Views 

in Lighting Systems

Throttle Actuator Control 

(TAC) Assembly

Mounted to the throttle 
body assembly on top of the 
engine

Engine Controls 

Component Views in 

Engine Controls - 6.0L

Engine Controls 

Connector End Views 

in Engine Controls - 

6.0L

Throttle Actuator Control 

(TAC) Module

At the left rear of the engine 
compartment attached to 
the forward dash panel

Engine Controls 

Component Views in 

Engine Controls - 6.0L

Engine Controls 

Connector End Views 

in Engine Controls - 

6.0L

Torque Converter Clutch 

(TCC) Solenoid Valve 

(4L60-E)

In the automatic 
transmission

Automatic 

Transmission 

Electronic Component 

Views in Automatic 

Transmission - 4L60-E

Automatic 

Transmission Internal 

Connector End Views 

in Automatic 

Transmission - 4L60-E

Torque Converter Clutch 

(TCC) Pulse Width 

Modulation (PWM) 

Solenoid Valve (4L60-E)

In the automatic 
transmission

Automatic 

Transmission 

Electronic Component 

Views in Automatic 

Transmission - 4L60-E

Automatic 

Transmission Internal 

Connector End Views 

in Automatic 

Transmission - 4L60-E

Tow/Haul Switch

At the left center of the I/P 
to the left of the HVAC 
control head

ABS Component 

Views in Anti-lock 

Brake System

Automatic 

Transmission Related 
Connector End Views
 

in Automatic 

Transmissions - 4L60-E

Traction Control Switch On the left side of the I/P

ABS Component 

Views in Anti-lock 

Brake System

ABS Connector End 

Views in Anti-lock 

Brake System

Trailer Receptacle

At the rear of the vehicle 
below the rear bumper

Power and Grounding 

Component Views

Power and Grounding 

Connector End Views

Transfer Case

Under the center of the 
vehicle attached to the 
automatic transmission

Transfer Case Control 

Component Views in 

Transfer Case - BW 

4484

Transfer Case Control 

Connector End Views 

in Transfer Case - BW 

4484

Transfer Case Shift 

Control Module

At the base of the steering 
column in back of the left 
knee bolster

Transfer Case Control 

Component Views in 

Transfer Case - BW 

4484

Transfer Case Control 

Connector End Views 

in Transfer Case - BW 

4484

Transfer Case Shift 

Control Switch

Center of I/P to the left of 
the radio/navigation unit

Transfer Case Control 

Component Views in 

Transfer Case - BW 

4484

Transfer Case Control 

Connector End Views 

in Transfer Case - BW 

4484

Lighting Systems 

Lighting Systems 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wiring Systems (Component List) - Hummer H2

  

Turn Signal Lamp - LR

On the left rear of vehicle

Component Views in 

Lighting Systems

Connector End Views 

in Lighting Systems

Turn Signal Lamp - RR On the left rear of vehicle

Lighting Systems 

Component Views in 

Lighting Systems

Lighting Systems 

Connector End Views 

in Lighting Systems

Turn 

Signal/Multifunction 

Switch

On the left side of the 
steering assembly

Lighting Systems 

Component Views in 

Lighting Systems

-

Underhood Lamp (If 

Equipped)

On the underside of the 
hood

Lighting Systems 

Component Views in 

Lighting Systems

Lighting Systems 

Connector End Views 

in Lighting Systems

Vanity Mirror Lamp - 

Left

On the headliner above the 
driver

Lighting Systems 

Component Views in 

Lighting Systems

Lighting Systems 

Connector End Views 

in Lighting Systems

Vanity Mirror Lamp 

Right

On the headliner above the 
passenger

Lighting Systems 

Component Views in 

Lighting Systems

Lighting Systems 

Connector End Views 

in Lighting Systems

Vehicle Communication 

Interface Module

At the center of the I/P 
below the HVAC control 
module

Cellular 

Communication 

Component Views in 

Cellular 

Communication

Cellular 

Communication 

Connector End Views 

in Cellular 

Communication

Vehicle Speed Sensor 

(VSS) - Transmission

On the right rear of the 
automatic transmission

Automatic 

Transmission 

Electronic Component 

Views in Automatic 

Transmission - 4L60-E

Automatic 

Transmission Related 
Connector End Views
 

in Automatic 

Transmission - 4L60-E

Wheel Speed Sensor 

(WSS) - LF

On the left front hub and 
bearing assembly

ABS Component 

Views in Anti-lock 

Brake System

ABS Connector End 

Views in Anti-lock 

Brake System

Wheel Speed Sensor 

(WSS) - LR

On the left rear hub and 
bearing assembly

ABS Component 

Views in Anti-lock 

Brake System

ABS Connector End 

Views in Anti-lock 

Brake System

Wheel Speed Sensor 

(WSS) - RF

On the right front hub and 
bearing assembly

ABS Component 

Views in Anti-lock 

Brake System

ABS Connector End 

Views in Anti-lock 

Brake System

Wheel Speed Sensor 

(WSS) - RR

On the right rear hub and 
bearing assembly

ABS Component 

Views in Anti-lock 

Brake System

ABS Connector End 

Views in Anti-lock 

Brake System

Window/Door Lock 

Switch - Driver

On the left door trim panel 
armrest

Power Door Systems 
Component Views
 in 

Doors

Power Door Systems 

Connector End Views 

in Doors

Window/Door Lock 

Switch - Front Passenger

On the right front door trim 
panel

Power Door Systems 
Component Views
 in 

Doors

Power Door Systems 

Connector End Views 

in Doors

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wiring Systems (Component List) - Hummer H2

  

Window Motor - Front 

Passenger

In the passenger door

Power Door Systems 
Component Views
 in 

Doors

Power Door Systems 

Connector End Views 

in Doors

Window Motor - Driver In the driver door

Power Door Systems 
Component Views
 in 

Doors

Power Door Systems 

Connector End Views 

in Doors

Window Motor - LR

In the left rear door

Power Door Systems 
Component Views
 in 

Doors

Power Door Systems 

Connector End Views 

in Doors

Window Motor - RR

In the right rear door

Power Door Systems 
Component Views
 in 

Doors

Power Door Systems 

Connector End Views 

in Doors

Window Switch - LR

In the left rear door trim 
panel

Power Door Systems 
Component Views
 in 

Doors

Power Door Systems 

Connector End Views 

in Doors

Window Switch - RR

In the right rear door trim 
panel

Power Door Systems 
Component Views
 in 

Doors

Power Door Systems 

Connector End Views 

in Doors

Windshield Washer Fluid 

Level Switch

At the bottom right front of 
the washer fluid container

Wiper/Washer System 

Component Views in 

Wipers/Washer 

Systems

Wiper/Washer System 

Connector End Views 

in Wipers/Washer 

Systems

Window Washer Fluid 

Pump - Reversible

At the rear of the washer 
fluid container

Wiper/Washer System 

Component Views in 

Wipers/Washer 

Systems

Wiper/Washer System 

Connector End Views 

in Wipers/Washer 

Systems

Windshield 

Wiper/Washer Module

Near the center of the front 
cowling

Wiper/Washer System 

Component Views in 

Wipers/Washer 

Systems

Wiper/Washer System 

Connector End Views 

in Wipers/Washer 

Systems

Windshield Wiper 

(WSW)/Washer Switch

Part of the multifunction 
switch on the steering 
column assembly

Wiper/Washer System 

Component Views in 

Wipers/Washer 

Systems

Wiper/Washer System 

Connector End Views 

in Wipers/Washer

C100 (16 cavities)

I/P harness to the engine 
harness, under the fuse 
block - underhood

Harness Routing 

Views

Inline Harness 

Connector End Views

C101 (10 cavities)

I/P harness to the engine 
harness, under the fuse 
block - underhood

Harness Routing 

Views

Inline Harness 

Connector End Views

C102 (12 cavities)

Chassis harness to the I/P 
harness, on the back rear 
side of the fuse block - 
underhood

Harness Routing 

Views

Inline Harness 

Connector End Views

I/P harness to forward lamp 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wiring Systems (Component List) - Hummer H2

  

C103 (14 cavities)

harness, attached to the 
front side of the fuse block -
underhood

Harness Routing 

Views

Inline Harness 

Connector End Views

C104 (12 cavities)

I/P harness to chassis 
harness, at the left side of 
the engine compartment 
near the fuse block - 
underhood

Harness Routing 

Views

Inline Harness 

Connector End Views

C105 (1 cavity)

I/P harness to chassis 
harness, at the left side of 
the engine compartment 
near the wheel well

Harness Routing 

Views

Inline Harness 

Connector End Views

C106 (12 cavities)

Chassis harness to engine 
harness, under the fuse 
block - underhood

Harness Routing 

Views

Inline Harness 

Connector End Views

C115 (2 cavities)

Engine harness to knock 
sensor harness, at the top 
left rear of the engine

Harness Routing 

Views

Inline Harness 

Connector End Views

C148 (8 cavities)

Engine harness to the odd 
ignition coil harness, on the 
top left side of the engine

Harness Routing 

Views

Inline Harness 

Connector End Views

C158 (8 cavities)

Engine harness to the even 
ignition coil harness, at the 
top right rear of the engine

Harness Routing 

Views

Inline Harness 

Connector End Views

C175 (20 cavities)

Engine harness to the 
automatic transmission 
harness, at the right side of 
the automatic transmission

Harness Routing 

Views

Inline Harness 

Connector End Views

C200 (16 cavities)

I/P harness to body harness, 
on the left side of the I/P 
under the left kick panel

Harness Routing 

Views

Inline Harness 

Connector End Views

C201 (4 cavities)

I/P harness to body harness, 
on the left side of the I/P 
behind the left kick panel

Harness Routing 

Views

Inline Harness 

Connector End Views

C202 (52 cavities)

I/P harness to steering 
column harness, below the 
steering column attached to 
the transfer case shift 
control bracket, in back of 
the left I/P knee bolster

Harness Routing 

Views

Inline Harness 

Connector End Views

C203 (2 cavities)

I/P harness to steering 
column harness, below the 
steering column, in back of 
the left I/P knee bolster

Harness Routing 

Views

Inline Harness 

Connector End Views

Headliner harness to I/P 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wiring Systems (Component List) - Hummer H2

  

 

 

 

 

 

 

 

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