Hummer H2. Manual - part 1073

Fig. 35: Relay Block - I/P Label 
Courtesy of GENERAL MOTORS CORP. 

Relay Block - I/P Label Usage 

Fuse

Rating

Description

SEO 6-WAY 
BLK

-

Not Used

TRAILER 6-
WAY BRN

-

Trailer Provisions or Off Road Lamps

UPFIT 4-WAY 
CRM

-

Upfitter Provisions

 

2004 Hummer H2 

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

  

Relay Block - I/P Top View 

SL RIDE 6-
WAY GRY

-

Not Used

HDLNR 2 6-
WAY CRM

-

Air Temperature Assembly - Inside, Blower Motor Control Processor, HVAC 
Actuators, Inside Rearview Mirror

BODY 12-
WAY WHT

-

B-Pillar Courtesy Lamps - LR/RR, Door Courtesy Lamps - LR/RR, 
Driver/Passenger Seat Module, Heated Seat Module - LR/RR, Rear Window 
Defogger Grid

REAR DEFOG 
RELAY

-

Rear Window Defogger Grid

HDLNR 1 6-
WAY BRN

-

Courtesy/Reading Lamps - Left/Right Front, Courtesy Reading Lamps - 
Mid/Rear, Garage Door Opener, Inside Rearview Mirror, Vanity Mirror Lamps 
- Left/Right

SPARE RELAY

-

Not Used

CB SEAT

30A

Driver/Passenger Seat Modules

CB RT DOOR

25A

Front Passenger Door Module (FPDM), Window Switch - RR

SPARE 4-WAY 
GRY

-

Not Used

INFO 12-WAY 
BLK

-

Not Used

 

2004 Hummer H2 

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

  

Fig. 36: Relay Block - I/P Top View 
Courtesy of GENERAL MOTORS CORP. 

Relay Block - I/P Bottom View 

 

2004 Hummer H2 

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

  

Fig. 37: Relay Block - I/P Bottom View 
Courtesy of GENERAL MOTORS CORP. 

Relay Block Terminal Identification - I/P C1 

 

2004 Hummer H2 

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