Hummer H2. Manual — part 1028

6.0L

Air Suspension

Compressor

Center rear of vehicle, in
back of trailer hitch, to the
left side of the compressor

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension

Compressor Relay

At the left side of the
engine compartment near
the lower left wheel well
below the master cylinder

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension Exhaust

Valve

Attached to the right side of
the compressor head

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension Inflator

Switch

In the right rear of cargo
area near the D-pillar

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension Inlet

Valve - LR

Near the right front of the
compressor to the left of the
inlet valve - RR

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension Inlet

Valve - RR

Near the right front of the
compressor to the right of
the inlet valve - LR

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension Module

Center rear of vehicle, in
back of trailer hitch, to the
left side of the compressor

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension Pressure

Sensor - LT/RT

Center rear of vehicle, in
back of trailer hitch, to the
left side of the compressor

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension Ride

Height Switch

Center of I/P to the left of
HVAC control head

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension Sensor -

LR

At the left rear frame rail
attached to the top of the
frame

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Suspension Sensor -

RR

At the right rear frame rail
attached to the top of the
frame

Suspension Controls

Component Views in

Air Suspension

Suspension Controls

Connector End Views

in Air Suspension

Air Temperature

Actuator - Left

Attached to the lower
middle underside of the
HVAC assembly below the
evaporator and blower
module

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

Air Temperature

Actuator - Right

At the middle top of the
HVAC assembly behind the
Inflatable Restraint I/P
Module Disable Switch

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

At the middle left side of

HVAC Component HVAC Connector End

2004 Hummer H2

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

Air Temperature Sensor

Assembly - Inside

the headliner above the
drivers seat

Views in HVAC

Systems - Automatic

Views in HVAC

Systems - Automatic

Air Temperature Sensor -

Lower Left

Near the middle left side of
the I/P under the left round
discharge duct

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

Air Temperature Sensor -

Lower Right

Near the middle right side
of the I/P in front of the
rectangular discharge duct

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

Air Temperature Sensor -

Upper Left

At the left side of the I/P
dash panel

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

Air Temperature Sensor -

Upper Right

At the right side of the I/P
dash panel

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

Ambient Air

Temperature Sensor -

HVAC

At the right front of the
vehicle in front of the
mirror ambient temperature
sensor to the right of the
radiator support

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

Ambient Air

Temperature Sensor -

Mirror

At the right front of the
vehicle behind the HVAC
ambient temperature sensor
to the right of the radiator
support

Stationary Windows

Component Views in

Stationary Windows

Stationary Windows

Connector End Views

in Stationary Windows

Ambient Light/Sunload

Sensor Assembly

Top center of the I/P in the
defroster deflector panel

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

Antenna - Cellular/GPS

On the roof at the left front
side

Cellular

Communication

Component Views in

Cellular

Communication

-

Antenna - Radio

On the right front side of
vehicle

Entertainment

Component Views in

Entertainment

-

Audio Amplifier

Under the front floor
console between the front
seats

Entertainment

Component Views in

Entertainment

Entertainment

Connector End Views

in Entertainment

Automatic Transmission

Fluid Pressure (TFP)

Manual Valve Position

Switch

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

Automatic Transmission In the automatic

Automatic

Transmission

Automatic

Transmission Internal

2004 Hummer H2

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

Fluid Temperature (TFT)

Sensor

transmission

Electronic Component

Views in Automatic

Transmission - 4L60-E

Connector End Views

in Automatic

Transmission - 4L60-E

Auxiliary Power Outlet -

Front 1

Near the center area of the
I/P below the vehicle
communication interface
module (VCIM)

Power and Grounding

Component Views

Power and Grounding

Connector End Views

Auxiliary Power Outlet -

Front 2

Near the center area of the
I/P below the vehicle
communication interface
module (VCIM)

Power and Grounding

Component Views

Power and Grounding

Connector End Views

Auxiliary Power Outlet -

Rear

In the right rear of the cargo
area near the right D-pillar

Power and Grounding

Component Views

Power and Grounding

Connector End Views

Auxiliary Power Outlet -

Console

In the rear of the front floor
console

Power and Grounding

Component Views

Power and Grounding

Connector End Views

Backup Lamp - Left

Upper lamp in left tail lamp
assembly

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Backup Lamp - Right

Upper lamp in right tail
lamp assembly

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Battery

On the left front side of the
engine compartment

Engine Electrical

Component Views in

Engine Electrical

Engine Electrical

Connector End Views

in Engine Electrical

Blower Motor

At the right lower I/P on the
HVAC assembly

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

Blower Motor Control

Processor

At the bottom right side of
the HVAC assembly

HVAC Component

Views in HVAC

Systems - Automatic

HVAC Connector End

Views in HVAC

Systems - Automatic

Body Control Module

(BCM)

On the top left side of the
I/P above the fuse block -
I/P

Body Control System

Component Views in

Body Control System

Body Control System

Connector End Views

in Body Control System

Brake Fluid Level Switch

On the left side of the brake
fluid reservoir in the left
rear of the engine
compartment

Hydraulic Brakes

Component Views in

Hydraulic Brakes

Hydraulic Brakes

Connector End Views

in Hydraulic Brakes

Camshaft Position

(CMP) Sensor

At the top center rear of the
engine near G104 and the
engine oil pressure (EOP)
sensor

Engine Controls

Component Views in

Engine Controls - 6.0L

Engine Controls

Connector End Views

in Engine Controls -

6.0L

Cellular Telephone

Microphone

In the left front headliner
above the driver

Cellular

Communication

Component Views in

Cellular

Cellular

Communication

Connector End Views

in Cellular

2004 Hummer H2

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

Communication

Communication

Center High Mounted

Rear Stop Lamp

(CHMSL)

On the center top rear of the
cab

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Cigar Lighter

At the center of the I/P near
the accessory outlets

Power and Grounding

Component Views

Power and Grounding

Connector End Views

Clearance Lamps - LF

At the top left front of the
outer roof

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Clearance Lamps - LR

At the top left rear of the
outer roof

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Clearance Lamps - RF

At the top right front of the
outer roof

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Clearance Lamps - RR

At the top right rear of the
outer roof

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Coolant Level Switch, If

Equipped

Right front of the engine
compartment on the bottom
of the coolant reservoir

Cooling System

Component Views in

Engine Cooling

Cooling System

Connector End Views

in Engine Cooling

Courtesy Lamp - Left B-

Pillar

At the base of the left B-
pillar trim panel

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Courtesy Lamp - Right

B-Pillar

At the base of the right B-
pillar trim panel

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Courtesy Lamp - Left

Footwell, If Equipped

Under lower left side of I/P

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Courtesy Lamp - Right

Footwell, If Equipped

Under lower right side of
I/P

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Courtesy Lamp - Left

Front Door

At the left front side door
trim panel

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Courtesy Lamp - Right

Front Door

At the right front side door
trim panel

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Courtesy Lamp - LR

Door

Below the arm rest attached
to the trim panel

Lighting Systems

Component Views in

Lighting Systems

Lighting Systems

Connector End Views

in Lighting Systems

Courtesy Lamp - RR

Door

Below the arm rest attached
to the trim panel

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