Hummer H2. Manual — part 1030

Heated Oxygen Sensor

(HO2S) Bank 2 Sensor 2

In the right exhaust pipe
after the catalytic converter

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Heated Seat Control

Module - LR

Under the left rear seat

Power Seat Systems

Component Views in

Seats

Power Seat Systems

Connector End Views

in Seats

Heated Seat Control

Module - RR

Under the right rear seat

Power Seat Systems

Component Views in

Seats

Power Seat Systems

Connector End Views

in Seats

Heated Seat Element -

Driver Back

In the driver back cushion

Power Seat Systems

Component Views in

Seats

-

Heated Seat Element -

Driver Cushion

In the driver seat cushion

Power Seat Systems

Component Views in

Seats

-

Heated Seat Element -

Passenger Back

In the passenger back
cushion

Power Seat Systems

Component Views in

Seats

-

Heated Seat Element -

LR

In the left rear seat cushion

Power Seat Systems

Component Views in

Seats

-

Heated Seat Element -

RR

In the right rear seat
cushion

Power Seat Systems

Component Views in

Seats

-

Heated Seat Switch -

Front Passenger

On the right front door trim
panel

Power Seat Systems

Component Views in

Seats

Power Seat Systems

Connector End Views

in Seats

Heated Seat Switch - LR

On the rear of the center
floor console

Power Seat Systems

Component Views in

Seats

Power Seat Systems

Connector End Views

in Seats

Heated Seat Switch - RR

On the rear of the center
floor console

Power Seat Systems

Component Views in

Seats

Power Seat Systems

Connector End Views

in Seats

Horn Left High Note

On the left lower corner of
the radiator core support

Horns Component

Views in Horns

Horns Connector End

Views in Horns

Horn - Right Low Note

On the right lower corner
on the radiator core support

Horns Component

Views in Horns

Horns Connector End

Views in Horns

Horn Switch

Inside the steering wheel
assembly

Steering Wheel and

Column Component

Views in Steering

Wheel and Column

-

HVAC Control Module In the center of the I/P

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

2004 Hummer H2

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

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