Hummer H2. Manual — part 1259

Fig. 67: Rear Wiper/Washer Circuit

2004 Hummer H2

SYSTEM WIRING DIAGRAMS Hummer - H2

2004 ACCESSORIES & EQUIPMENT

Wiring Systems - Hummer H2

SPECIFICATIONS

FASTENER TIGHTENING SPECIFICATIONS

Fastener Tightening Specifications

DIAGNOSTIC INFORMATION AND PROCEDURES

UTILITY/VAN ZONING

All grounds, in-line connectors, pass-through grommets, and splices have identifying numbers that correspond
to where they are located in the vehicle. The following table explains the numbering system.

Application

Specification

Metric

English

BEC Retaining Bolts

9 N.m

80 lb in

Fender Upper Brace Bolts

25 N.m

18 lb ft

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2

Fig. 1: Utility/Van Zoning
Courtesy of GENERAL MOTORS CORP.

Utility/Van Zoning

ELECTRICAL SYMBOLS

Electrical Symbols

Callout

Numbers

Zone Description

100-199

Engine compartment (All forward of the dash panel)
001-099 are additional for the engine compartment (Only to be used if all 100-199
items are used)

200-299

Within the instrument panel area

300-399

Passenger compartment (From instrument panel to the rear wheelhouse)

400-499

Luggage compartment (From the rear wheelhouse to the rear of the vehicle

500-599

Within the left front door

600-699

Within the right front door

700-799

Within the left rear door

800-899

Within the right rear door

900-999

Within the liftgate or endgate door

OLD Symbol

NEW Symbol

or

Description

Supplemental Inflatable Restraint (SIR) or Supplemental

Restraint System (SRS) Icon

This icon is used to alert the technician that the system

contains SIR/SRS components that require certain precautions

before servicing.

On-Board Diagnostic (OBD II) Icon

This icon is used to alert the technician that the circuit is

essential for proper OBD II emission controls circuit

operation. Any circuit which, if it fails, causes the malfunction

indicator lamp (MIL) to turn on, is identified as an OBD II

circuit.

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2

Important Icon

This icon is used to alert the technician that there is additional

information that will aid in servicing a system.

Voltage Indicator Boxes

These boxes are used on schematics to indicate when voltage

is present at a fuse.

Partial Component

When a component is represented in a dashed box, the

component or its wiring is not shown in its entirety.

Entire Component

When a component is represented in a solid box the

component or its wiring is shown in its entirety.

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2