Hummer H2. Manual — part 1156
2004 ELECTRICAL
Engine Electrical - Hummer H2
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Fastener Tightening Specifications
BATTERY USAGE
Battery Usage
Application
Specification
Metric
English
Battery Cable Bracket Bolt
25 N.m
18 lb ft
Battery Cable Channel Bolt
12 N.m
106 lb in
Battery Hold Down Retainer Bolt
25 N.m
18 lb ft
Battery Tray Bolt
9 N.m
80 lb in
Battery Tray Nut
25 N.m
18 lb ft
Engine Wiring Harness Auxiliary Negative Battery Cable Bolt
16 N.m
12 lb ft
Engine Wiring Harness Ground Bolt
16 N.m
12 lb ft
Engine Wiring Harness Ground/Negative Cable Bolt
25 N.m
18 lb ft
Front Axle Mounting Bracket Nut
95 N.m
70 lb ft
Forward Lamp Wiring Harness Ground/Negative Cable Bolt
9 N.m
80 lb in
Front End Diagonal Brace Bolt
9 N.m
80 lb in
Generator Bracket Bolt
50 N.m
37 lb ft
Generator Bolt
50 N.m
37 lb ft
Generator Cable Nut
9 N.m
80 lb in
Ground Strap Nut
9 N.m
80 lb in
Negative Battery Cable Bolt
17 N.m
13 lb ft
Positive Battery Cable Bolt
17 N.m
13 lb ft
Positive Cable Nut
9 N.m
80 lb in
Positive Cable at Underhood Bussed Electrical Center (UBEC) Bolt
9 N.m
80 lb in
Starter Bolt
50 N.m
37 lb ft
Starter Lead Nut
3.4 N.m
30 lb in
Surge Tank Bolt/Nut
9 N.m
80 lb in
Transmission Cover Bolt
9 N.m
80 lb in
Base
Cold Cranking Amperage (CCA)
880 A
Reserve Capacity Rating
115 Minutes
Replacement Battery Number
79-6YR
2004 Hummer H2
2004 ELECTRICAL Engine Electrical - Hummer H2
2004 Hummer H2
2004 ELECTRICAL Engine Electrical - Hummer H2
STARTER MOTOR USAGE
Starter Motor Usage
GENERATOR USAGE
Generator Usage
SCHEMATIC AND ROUTING DIAGRAMS
STARTING AND CHARGING SCHEMATICS
Fig. 1: Starting Schematics
Courtesy of GENERAL MOTORS CORP.
Applications
Starter Model
6.0L (LQ4)
PG-260L
Base
Generator Model
Delphi AD244
Rated Output
145 A
Load Test Output
102 A
2004 Hummer H2
2004 ELECTRICAL Engine Electrical - Hummer H2
Fig. 2: Charging Schematics
Courtesy of GENERAL MOTORS CORP.
COMPONENT LOCATOR
ENGINE ELECTRICAL COMPONENT VIEWS
2004 Hummer H2
2004 ELECTRICAL Engine Electrical - Hummer H2
Fig. 3: Engine Electrical Component Views
Courtesy of GENERAL MOTORS CORP.
Callouts For Fig. 3
Callout
Component Name
1
Generator
2
Junction Block - Battery Cable
3
G100
4
Starter Solenoid
5
Starter
2004 Hummer H2
2004 ELECTRICAL Engine Electrical - Hummer H2
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