Hummer H2. Manual - part 1059

connector harness to the I/P 
harness

S211

In the I/P harness, at the left 
side of the I/P, 
approximately 15 cm (8 in) 
from the junction of the 
instrument cluster 
connector harness to the I/P 
harness

Harness Routing 

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S212

In the I/P harness, at the left 
side of the I/P, 
approximately 29.5 cm (11 
in) from the junction of the 
instrument cluster 
connector harness to the I/P 
harness

Harness Routing 

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S213

In the I/P harness, at the left 
side of the I/P, 
approximately 45.4 cm (19 
in) from the junction of the 
instrument cluster 
connector harness to the I/P 
harness

Harness Routing 

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S214

In the I/P harness, at the left 
side of the I/P, 
approximately 50.4 cm (21 
in) from the junction of the 
instrument cluster 
connector harness to the I/P 
harness

Harness Routing 

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S215

In the I/P harness, at the left 
side of the I/P, 
approximately 5.5 cm (2 in) 
from the junction of the air 
temperature sensor - upper 
left harness to the I/P 
harness

Harness Routing 

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S216

In the I/P harness, at the left 
side of the I/P, 
approximately 2.5 cm (1 in) 
from the junction of the air 
temperature sensor - upper 
left harness to the I/P 
harness

Harness Routing 

Views

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In the I/P harness, 
approximately 25.4 cm (10 

Harness Routing 

 

2004 Hummer H2 

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

  

S217

in) down from the 
headlamp panel dimmer 
switch

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S218

In the steering column 
harness

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S219

In the steering column 
harness

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S290

In the I/P harness, at the 
right side of the I/P, 
approximately 6.5 cm (2.25 
in) from the junction of the 
I/P compartment lamp 
junction to the I/P harness

Harness Routing 

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S300

In the headliner harness, at 
the left front side of the 
headliner, approximately 10 
cm (4 in) from the junction 
of the courtesy/reading 
lamp - center harness to the 
headliner harness

Harness Routing 

Views

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S301

In the headliner harness, at 
the top of the left A-pillar 
near the corner of the 
windshield

Harness Routing 

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S302 (CF5)

In the headliner harness, 
near the middle of the left 
A-pillar

Harness Routing 

Views

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S303

In the roofmarker harness, 
near the left A-pillar above 
the left vanity mirror, 
approximately 22 cm (9 in) 
from the right front marker 
lamp connector

Harness Routing 

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S304

In the chassis harness, at the 
left front frame rail, 
approximately 21.5 cm (9 
in) from the ABS/fuel pump 
ground (G300) junction to 
the chassis harness

Harness Routing 

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S305

In the headliner harness, at 
the top of the left A-pillar, 
approximately 5 cm (2 in) 
past the top mounting clip

Harness Routing 

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S306 (KA7)

In the left rear seat harness

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In the body harness, at the 

 

2004 Hummer H2 

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

  

S307 (w/C69)

left rear wheel well, 
approximately 37.5 cm (15 
in) from C312

Harness Routing 

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S310

In the body harness, at the 
right side of the interior, 
approximately 8.5 cm (3 in) 
from the right B-pillar 
courtesy lamp harness 
junction to the body harness

Harness Routing 

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S326

In the driver seat jumper 
harness, approximately 5 
cm (2 in) from the junction 
of C330 and C328 inline 
toward the memory seat 
module connectors

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S327

In the driver seat jumper 
harness, in the driver seat 
jumper harness, 
approximately 10 cm (4 in) 
from the junction of C330 
and C328 inline toward the 
memory seat module 
connectors

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S328

In the driver seat jumper 
harness, approximately 4.5 
cm (1.77 in) down from the 
memory seat module C3 
connector

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S345

In the roof marker harness, 
approximately 16.5 cm (6 
in) from the junction of the 
right center roof lamp 
connector to the roof 
marker harness

Harness Routing 

Views

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S350

In the console harness, 
approximately 7 cm (3 in) 
from the junction of the 
body harness inline C355 to 
the floor console harness

Harness Routing 

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S351

In the console harness, 
approximately 28.5 cm (11 
in) from the junction of the 
body harness inline C355 to 
the floor console harness

Harness Routing 

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In the chassis harness, 
approximately 63.5 cm (25 

 

2004 Hummer H2 

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

  

S375

in) down from the rear 
differential lock actuator on 
the chassis harness

Harness Routing 

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S376

In the chassis harness, 
approximately 63.5 cm (25 
in) down from the rear 
differential lock actuator on 
the chassis harness

Harness Routing 

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S380

In the passenger seat 
harness, approximately 21 
cm (8.4 in) from the seat 
adjuster switch between the 
lumbar bolster switch and 
seat adjuster switch on the 
right side of the seat

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S381

In the passenger seat 
harness, approximately 16 
cm (5.4 in) from the lumbar 
bolster switch between the 
seat adjuster switch and the 
lumbar switch on the right 
side of the seat

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S390

In the body harness, at the 
left side near the B-pillar, 
approximately 18.5 cm (7 
in) from the junction of the 
SIR module and driver seat 
harness to the body harness

Harness Routing 

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S391

In the chassis harness, at the 
right rear frame rail, 
approximately 15 cm (6 in) 
from the junction of the 
right rear air suspension 
sensor to the chassis 
harness

Harness Routing 

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S392

In the chassis harness, at the 
right rear frame rail, 
approximately 30 cm (12 
in) from the junction of the 
right rear air suspension 
harness to the chassis 
harness

Harness Routing 

Views

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S393 (KA7)

In the right rear seat 
harness, approximately 34 
cm (13 in) from the heated 
seat module towards inline 

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2004 Hummer H2 

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