Hummer H2. Manual — part 1055

I/P Compartment Lamp

Inside I/P compartment
box, on the lower right side
of the I/P

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Ignition Coil 1/Module

On the left rocker cover
near the front of the engine

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Ignition Coil 2/Module

On the right rocker cover
near the front of the engine

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Ignition Coil 3/Module

On the left rocker cover
near the middle of the
engine

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Ignition Coil 4/Module

On the right rocker cover
near the middle of the
engine

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Ignition Coil 5/Module

On the left rocker cover
near the middle of the
engine

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Ignition Coil 6/Module

On the right rocker cover
near the front of the engine

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Ignition Coil 7/Module

On the left rocker cover
near the rear of the engine

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Ignition Coil 8/Module

On the right rocker cover
near the rear of the engine

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Ignition Key Alarm

Switch

In the ignition key cylinder
on the upper right side of
steering column

Steering Wheel and

Column Component

Views in Steering

Wheel and Column

-

Ignition Lock Cylinder

Control Actuator

In the ignition key cylinder
on the upper right side of
steering column

Steering Wheel and

Column Component

Views in Steering

Wheel and Column

Steering Wheel and

Column Connector

End Views in Steering

Wheel and Column

Ignition Switch

Upper bottom center of
steering column under

Steering Wheel and

Column Component

Steering Wheel and

Column Connector

2004 Hummer H2

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

lower cover

Views in Steering

Wheel and Column

End Views in Steering

Wheel and Column

Inflatable Restraint Front

End Discriminating

Sensor - Left

On the left underside of the
radiator core support

SIR Component

Views in SIR

SIR Connector End

Views in SIR

Inflatable Restraint Front

End Discriminating

Sensor - Right

On the right underside of
the radiator core support

SIR Component

Views in SIR

SIR Connector End

Views in SIR

Inflatable Restraint I/P

Module

On the right side of the I/P
above the I/P compartment
box

SIR Component

Views in SIR

SIR Connector End

Views in SIR

Inflatable Restraint I/P

Module Disable Switch

In the I/P to the left of the
compartment box

SIR Component

Views in SIR

SIR Connector End

Views in SIR

Inflatable Restraint

Sensing/Diagnostic

Module (SDM)

Under the driver seat

SIR Component

Views in SIR

SIR Connector End

Views in SIR

Inflatable Restraint

Steering Wheel Module

In the center of the steering
wheel

SIR Component

Views in SIR

SIR Connector End

Views in SIR

Inflatable Restraint

Steering Wheel Module

Coil

Under the steering wheel,
part of the steering column
assembly

SIR Component

Views in SIR

SIR Connector End

Views in SIR

Inside Rearview Mirror

Mounted to the windshield
at the center of the window

Stationary Windows

Component Views in

Stationary Windows

Stationary Windows

Connector End Views

in Stationary Windows

Instrument Panel Cluster

(I/PC)

On the left side of the I/P
above the steering column

Instrument Panel,

Gauges, and Console

Component Views in

Instrument Panel,

Gauges and Console

Instrument Panel,

Gauges, and Console

Connector End Views

in Instrument Panel,

Gauges and Console

Intake Air Temperature

(IAT)/Mass Air Flow

(MAF) Sensor

Part of the air induction
system between the air
cleaner assembly and the
throttle body

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Junction Block - Battery

Cable Positive

On the lower left side of the
engine

Engine Electrical

Component Views in

Engine Electrical

-

Junction Block - I/P

Behind the access panel, on
the lower right side of the
I/P

Electrical Center

Identification Views

Electrical Center

Identification Views

Junction Block - Rear

On the underside of the rear
body near the center of the
rear bumper

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Knock Sensor (KS) 1

In the valley under the
intake manifold near the

Engine Controls

Component Views in

Engine Controls

Connector End Views

in Engine Controls -

2004 Hummer H2

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

front of the engine

Engine Controls - 6.0L

6.0L

Knock Sensor (KS) 2

In the valley under the
intake manifold near the
rear of the engine

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

License Lamp - Left

At the center of the liftgate

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

License Lamp - Right

At the center of the liftgate

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Liftgate Ajar Switch -

Left

On the top left side of the
liftgate

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Liftgate Ajar Switch -

Right

On the top right side of the
liftgate

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Liftgate Lock Actuator

In the center rear of liftgate
behind trim panel

Power Door Systems
Component Views in

Doors

Power Door Systems

Connector End Views

in Doors

Liftgate Lock Relay

Near the right B-pillar
courtesy lamp taped to the
body harness

Harness Routing

Views

Power Door Systems

Connector End Views

in Doors

Longitudinal

Accelerometer

In the center console below
the radio

ABS Component

Views in Anti-lock

Brake System

ABS Connector End

Views in Anti-lock

Brake System

Manifold Absolute

Pressure (MAP) Sensor

At the top rear of the engine
on the intake manifold

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Marker Lamp - LF

On the right front of the
vehicle

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Marker Lamp - LR

On the left rear of the
vehicle

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Marker Lamp - RF

On the right front of the
vehicle

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Marker Lamp - RR

On the right rear of the
vehicle

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Marker Lamps - Roof

On the front center of the
roof

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

2004 Hummer H2

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

Memory/Heated Seat

Switch - Driver

On the driver door panel

Power Seat Systems

Component Views in

Seats

Power Seat Systems

Connector End Views

in Seats

Mode Actuator

On the left side of the
HVAC module assembly

HVAC Component

Views in HVAC -

Automatic

HVAC Connector End

Views in HVAC -

Automatic

Noise Cancellation

Microphone

Mounted inside the
overhead console

Entertainment

Component Views in

Entertainment

Entertainment

Connector End Views

in Entertainment

Off-Road Lamps - Grille

Guard - Upfitter

Provision

Attached to the grille guard
at the front of the vehicle

-

Lighting Systems

Connector End Views

in Lighting Systems

Off-Road Lamps - Relay

1 - Upfitter Provision

Near the lower right side of
the steering column,
attached to the front brace
of the I/P

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Off-Road Lamps - Relay

2 - Upfitter Provision

Near the lower right side of
the steering column,
attached to the front brace
of the I/P

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Off-Road Lamps - Roof

Inner - Upfitter Provision

Attached to the inner roof
rack on top of the outer roof

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Off-Road Lamps - Roof

Outer - Upfitter Provision

Attached to the outer roof
rack on top of the outer roof

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

OnStar(R) Button

Assembly (w/UE1)

Part of the vehicle
communication interface
module (VCIM) in the
center of the dash, below
the HVAC Control Module

Cellular

Communication

Component Views in

Cellular

Communication

Cellular

Communication

Connector End Views

in Cellular

Communication

Outside Rearview Power

Folding Mirror Switch

Part of the mirror switch on
the driver door master
switch plate

Power Door Systems
Component Views in

Doors

Power Door Systems

Connector End Views

in Doors

Outside Rearview Mirror

- Driver

Attached to the outside left
front driver door

Power Door Systems
Component Views in

Doors

Power Door Systems

Connector End Views

in Doors

Outside Rearview Mirror

- Passenger

Attached to the outside
right front passenger door

Power Door Systems
Component Views in

Doors

Power Door Systems

Connector End Views

in Doors

Outside Rearview Mirror

Switch

On the left door trim panel
armrest master window
switch plate

Power Door Systems
Component Views in

Doors

Power Door Systems

Connector End Views

in Doors

Park Brake Switch

Mounted near the top of the
park brake pedal assembly

Hydraulic Brakes

Component Views in

Hydraulic Brakes

Connector End Views

2004 Hummer H2

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