Hummer H2. Manual - part 1068

TBC IGN 1 
Fuse

10A

Body Control Module (BCM)

HI HDLP - LT 
Fuse

10A

Headlamp - High Beam - Left

LH HID Fuse

20A

Not Used

DRL Relay

-

DRL - Left, DRL - Right

DRL Fuse

10A

Daytime Running Lamps (DRL) Relay

IPC/DIC Fuse

10A

Instrument Panel Cluster (IPC)

HVAC/ECAS 
Fuse

10A

HVAC Control Module, Air Suspension Module

CIG LTR Fuse

15A

Cigar Lighter, Data Link Connector (DLC)

HI HDLP RT 
Fuse

10A

Highbeam Headlamp - Right

HDLP-LOW 
Relay

-

Headlamp - Low Beam - Left, Headlamp - Low Beam - Right

A/C COMP 
Relay

-

A/C Compressor Clutch Assembly

A/C COMP 
Fuse

10A

A/C Compressor Clutch Relay

RR WPR

25A

Rear Window Wiper Motor

RADIO Fuse

15A

Radio, Rear Seat Audio (RSA)

SEO B1 Fuse

15A

Heated Seat Module - LR/RR, Garage Door Opener

LO HDLP - LT 
Fuse

10A

Headlamp - Low Beam - Left

BTSI Fuse

10A

Stoplamp Switch, Floor Shifter Shift Lock Control Solenoid

CRANK Fuse

10A

Ignition Switch, PCM Module

LO HDLP - RT 
Fuse

10A

Headlamp - Low Beam - Right

FOG LP Relay

-

Not Used

FOG LP Fuse

15A

Not Used

HORN Relay

-

Horn - Low Note, Horn - High Note

W/S WASH 
Relay

-

Front Windshield Washer Motor and Module

W/S WASH 
Fuse

15A

W/S WASH Relay, Front Windshield Washer Motor and Module

INFO Fuse

15A

Vehicle Communication Interface Module (VCIM)

RADIO AMP 
Fuse

30A

Radio Amplifier

RH HID Fuse

20A

Not Used

HORN Fuse

15A

Horn - High/Low Note

EAP Fuse

15A

Not Used

TREC Fuse

30A

Transfer Case Control Module

 

2004 Hummer H2 

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

  

Fuse Block - Underhood Top View 

Fig. 30: Fuse Block - Underhood Top View 
Courtesy of GENERAL MOTORS CORP. 

Fuse Block - Underhood Bottom View 

SBA Fuse

15A

Not Used

 

2004 Hummer H2 

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

  

Fig. 31: Fuse Block - Underhood Bottom View 
Courtesy of GENERAL MOTORS CORP. 

Fuse Block Terminal Identification - Underhood C1 

Connector Part 

z

12193905  

 

2004 Hummer H2 

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

  

Information

z

68-Way F Metri-Pack 280 Series Flexlock (GY)  

Pin

Wire Color

Circuit 

No.

Function

A1-A2

-

-

Not Used

A3

YE

5

Crank Voltage

A4

OG

2040

Battery Positive Voltage

A5

OG

4340

Battery Positive Voltage - HVAC Control Module

OG

4340

Battery Positive Voltage - Air Suspension Control Module 
(w/ZM6)

A6

PK

39

Ignition 1 Voltage

A7

YE

1139

Ignition 1 Voltage - Inflatable Restraint I/P Module Disable Switch

YE

1139

Ignition 1 Voltage - SDM Module

A8

L-GN/BK

584

Park Lock Solenoid Supply Voltage

L-GN/BK

584

A/T Shift Lock Control Switch Supply Voltage

A9

PK

3

Ignition 1 Voltage

A10

OG

1740

Battery Positive Voltage (w/C69)

A11

-

-

Not Used

A12

BN

2409

Interior Park Lamps Supply Voltage - Inflatable Restraint I/P 
Module Disable Switch

BN

2409

Interior Park Lamps Supply Voltage - Marker/Clearance Lamps

B1

-

-

Not Used

B2

OG

2268

Windshield Washer Relay Control

B3-B7

-

-

Not Used

B8

OG

1840

Battery Positive Voltage

B9

BK/WH

1969

Headlamp Relay Control/Headlamp High Beam Relay Control

B10

-

-

Not Used

B11

OG

3840

Battery Positive Voltage

B12

RD

142

Battery Positive Voltage

C1

OG

1640

Battery Positive Voltage

C2

OG

3240

Battery Positive Voltage - OnStar(R) Module (w/o UE4)

OG

3240

Battery Positive Voltage - OnStar(R) Module (w/o UE4)

C3

BK

28

Horn Relay Control - BCM

BK

28

Horn Relay Control - Turn Signal/Multifunction Switch

C4-C8

-

-

Not Used

C9

PK

1020

Off/Run/Crank Voltage - Park Switch

PK

1020

Off/Run/Crank Voltage - Fuse Block I/P

C10

OG

1040

Battery Positive Voltage

C11

-

-

Not Used

C12

PU

420

TCC Brake Switch/Cruise Control Release Signal

D1-D2

-

-

Not Used

D3

PK/WH

1970

Headlamp Low Beam Relay Control

 

2004 Hummer H2 

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