Hummer H1 (2006+). Manual — part 389

12-232

Electrical System

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C48/10 WAY DOOR LOCK SWITCH LOCATION: IN THE CENTER CONSOLE

C49/10 WAY PASSENGER SIDE, DOOR LOCK SWITCH LOCATION: ON THE PASSENGER SIDE OF
CONSOLE

PIN

CKT

COLOR

DESCRIPTION

1

119

LG

Oscillating power/ground circuit

2B

121

YL

Unlock signal from the switch to the module

3

517
517

OR
OR

Fused battery input to the passenger door lock switch

4

517

OR

Fused battery input to the passenger door lock switch

5B

122

PP

Lock signal from the switch to the module

6

120

LG

Oscillating power/ground circuit

7

59
59

BK
BK

Ground G4 for the illumination circuit

8

59
59

BK
BK

Ground G4 for the illumination circuit

9

17
17

PP
PP

Illumination circuit for switch

10

17
17

PP
PP

Illumination circuit for switch

PIN

CKT

COLOR

DESCRIPTION

1

56

BK

Ground G4

2B

119

TN

Oscillating power/ground circuit

3

517
517

OR
OR

Fused battery input to the drivers door lock actuator

4

517 OR

Fused battery input to the drivers door lock actuator

5B

120

LG

Oscillating power/ground circuit.

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Electrical System 12-233

C50/ 6 WAY LEFT HEATED POWER MIRROR LOCATION: IN THE DRIVERS DOOR.

6

56

BK

Ground G4

7

17
17

PP
PP

Illumination circuit for switch

8

17
17

PP
PP

Illumination circuit for switch

9

59
59

BK
BK

Ground G4 for the illumination circuit

10

59
59

BK
BK

Ground G4 for the illumination circuit

PIN

CKT

COLORS

DESCRIPTION

A

580

BR

Fused battery input to the heated mirror.

B

--

-

--

C

59

BK

Ground G4

D

948

DG/YL

Left mirror vertical control

E

942

OR/BK

Left mirror common

F

947

DB/YL

Left mirror horizontal control

PIN

CKT

COLOR

DESCRIPTION

A

A

F

F

FEMALE

MALE

12-234

Electrical System

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C51/ 6 WAY RIGHT HEATED POWER MIRROR LOCATION: IN THE PASSENGER DOOR

C52/ 2 WAY HEATED POWER MIRROR ELEMENT LOCATION: W AND X ARE IN THE LEFT FRONT
DOOR AND Y AND Z ARE IN THE RIGHT FRONT DOOR.

PIN

CKT

COLORS

DESCRIPTION

A

580

BR

Fused battery input to the heated mirror.

B

--

--

--

C

59

BK

Ground G4

D

953

DG

Right mirror vertical control

E

944

OR

Right mirror common

F

952

DB

Right mirror horizontal control

PIN

CKT

COLOR

DISCRIPTION

A

580

BR

Fused battery input to the heated mirror

B

59

BK

Ground G4

A

A

F

F

MALE

FEMALE

A

A

B

B

FEMALE

MALE

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Electrical System 12-235

C53/ 16 WAY SPEEDO/TACH MODULE LOCATION: CENTER OF INSTRUMENT PANEL

pin

ckt

color

description

1.

3

LB

Left turn indictor signal

2.

12

OR

High beam indicator signal

3.

2

LG

Right turn indicator signal

4.

913

WH

Battery voltage output to the volt/oil module

5.

450

PK

Seat belt warning light signal

6.

353

YL

Speed reference signal

7.

30

GY

Fused battery input to the speedo/tach module

8.

17

PP

Gauge illumination voltage

9.

14

LB

Headlight input signal

10.

910

RD

“Bulb Check” signal to the volt/oil module

11.

338

DB

Wait indicator signal

12.

916

TN

Battery voltage output to the coolant/fuel module

13.

644

YL

Tachometer reference signal

14.

59

BK

Ground G4

15.

--

--

--

16.

--

--

--

1

16

9

8