Hummer H2. Manual — part 1077

Junction Block Terminal Identification - I/P C8

A

-

-

Not Used

B

TN

1047

PDM Class 2 Serial Data

C

OG

4240

Battery Positive Voltage

D

-

-

Not Used

E

OG

1340

Battery Positive Voltage

F

-

-

Not Used

Connector Part Information

z

12193928

z

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

Pin

Wire Color

Circuit No.

Function

A

WH/BK

2339

Lower Left Air Temperature Sensor Signal

B

BN

341

Ignition 3 Voltage - Mode Actuator

BN

341

Ignition 3 Voltage - Recirculation Actuator

C

BN

341

Ignition 3 Voltage - Air Temperature Actuator - Left

BN

341

Ignition 3 Voltage - Air Temperature Actuator - Right

D

D-BU

1646

Right Air Temperature Door Position Signal

E

WH/BK

1236

Right Air Temperature Door Control

F

D-GN

1614

Recirculation Door Control

2004 Hummer H2

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

2003-04 ELECTRICAL

Fuses & Circuit Breakers - H2

IDENTIFICATION

FUSIBLE LINKS

Fusible links are usually located between battery and starter or electrical center. For description and repair
procedures, see Fig. 1 .

WARNING:

Vehicles are equipped with air bag supplemental restraint system. Before
attempting any repairs involving steering column, instrument panel or
related components, see SERVICE PRECAUTIONS and DISABLING &
ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT
SYSTEMS article in RESTRAINTS.

CAUTION: When battery is disconnected, vehicle computer and memory systems

may lose memory data. Driveability problems may exist until computer
systems have completed a relearn cycle. See appropriate COMPUTER
RELEARN PROCEDURES article in GENERAL INFORMATION before
disconnecting battery.

2004 Hummer H2

2003-04 ELECTRICAL Fuses & Circuit Breakers - H2

2004 Hummer H2

2003-04 ELECTRICAL Fuses & Circuit Breakers - H2

Fig. 1: Repairing Fusible Links

INSTRUMENT PANEL FUSE BLOCK

NOTE:

Instrument panel fuse block is located at left end of instrument panel. See Fig.
2 .

2004 Hummer H2

2003-04 ELECTRICAL Fuses & Circuit Breakers - H2

Fig. 2: Locating Instrument Panel Fuse Block
Courtesy of GENERAL MOTORS CORP.

2004 Hummer H2

2003-04 ELECTRICAL Fuses & Circuit Breakers - H2