Hummer H1 (2006+). Manual - part 388

12-228

Electrical System

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C37/  4 WAY HVAC BLOWER RESISTOR HARNESS LOCATION: RIGHT A-PILLAR

C38/ 3 WAY COWL TO UNDERBODY JUMPER  LOCATION: LEFT A-BEAM NEAR FUEL MANAGER

PIN

CKT

COLOR

DESCRIPTION

A

751

OR

Medium 1 blower

B

752

GY

Medium 2 blower

C

754

YL

Blower activation

D

755

DB

Low blower

PIN

CKT

COLOR

DESCRIPTION

A

206

WH

Trailer connector ground

B

58

BK

Ambient temp sensor ground

C

58

BK

Main and auxiliary fuel sending units, rear lamps ground

MALE

FEMALE

A

A

B

B

C

C

D

D

FEMALE

MALE

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 Electrical System  12-229

C39/ 7 WAY TURN SIGNAL SWITCH LOCATION: STEERING COLUMN

C40/6 WAY TURN SIGNAL SWITCH LOCATION: STEERING COLUMN

PIN

CKT

COLOR

DESCRIPTION

A

3

LB

Left front turn signal, status center signal.

B

9

YL

Left rear turn signal

C

--

--

--

D

13

TN

Low beam circuit

E

12

OR

High beam signal

F

15

WH

Head lamp feed

G

--

--

--

PIN

CKT

COLOR

DESCRIPTION

A

385

TN

Hazard signal ground

B

22

RD

Brake lamp switch signal (receives 12v with brakes applied.)

C

460

BK

Ground

D

44

LB

Indicator signal ground

E

2

LG

Right turn signal, status center signal

F

5

DG

Right rear turn signal

FEMALE

B

C

D

E

F

A

G

FEMALE

A

B

C

D

E

F

12-230

Electrical System

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C41/ 8 WAY TRAILER CONNECTOR

C42/ 6 WAY WASHER SWITCH CONNECTOR

C43/3 WAY FRONT WIPER NEAR MOTOR BEHIND A-PILLAR TRIM

PIN

CKT

COLOR

DESCRIPTION

A

140

BK

Back Up Lamps

B

43

DB

Trailer Brake

C

--

--

--

D

49

OR

12 Volt From Alternator 

E

206

WH

Ground

F

962

BR

Running Lights

G

9

YL

Left Turn

H

5

DG

Right Turn

PIN

CKT

COLOR

DESCRIPTION

A

65

YL

Ignition 12 Volt Power

B

59
59

BK
BK

Ground
Ground

C

945

BR

Ignition 12 Volt Feed To Intermittent Relay

D

17

PP

Illumination

E

941

TN

12 Volt Feed To Washer Pump

F

59

BK

Ground

pin

ckt

color

description

A

28

DB

Intermittent Power Supply

B

63

DG

Low Speed Power Supply

C

61

RD

High Speed Power Supply

MALE

FEMALE

A

B

C

A

B

C

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 Electrical System  12-231

C44/2 WAY WIPER MOTOR NEAR MOTOR BEHIND THE A-PILLAR TRIM

C46/ 5 WAY EXPRESS DOWN MODULE CONNECTOR

C47/ 10 WAY CARGO DOOR LOCK DELAY MODULE LOCATION: ON MODULE

pin

ckt

color

description

A

59

BR

Ground G4

B

650

BK

Intermittent start supply

PIN

CKT

COLOR

DESCRIPTION

A

222

PP

Up Signal (Input)

B

--

--

--

C

171

RD

12 Volt Ignition

D

228

WH

Down Signal (Output)

E

226

YL

Down Signal (Input)

PIN

CKT

COLOR

DESCRIPTION

1.

--

--

--

2.

--

--

--

3.

59

BK

Ground G4

4.

--

--

--

5.

118

BR

Lock signal to the cargo door lock delay module 

6.

117

PK

Unlock signal to the cargo door lock delay module 

7.

--

--

--

8.

--

--

--

9.

517

OR

Fused battery input to the cargo door lock delay module 

10.

121

YL

Lock signal to the cargo door lock actuator

MALE

FEMALE

A

B

B

A

10

1