Hummer H1 (2002+). Manual - part 298

____________________________________________________

PCM/Tech 1 Scan Tool 125

®

05745159

47

3

LB

Left front turn signal

48

914

PP

PCM class 2 communication line to DLC

49

644

YL

Tachometer signal

50

210

DG

Low washer fluid level lamp activation

51

195

YL

Headlight switch feed

52

603

DG

ABS lamp activation

53

719

BR

APP 1 ground

54

793

YL

Low coolant lamp activation

55

794

RD

Low air warning lamp activation

56

41

TN

Brake fluid level sensor feed

57

428

PK

CTIS buzzer activation

58

47

LG

Deflate solenoid activation

59

46

WH

CTIS compressor relay activation

60

725

GY

APP 3 Ground

61

767

BR

Compass mirror temperature signal

62

1

DB

Horn relay activation

63

91

TN

CTIS front inflate solenoid activation

64

37

RD

Batt feed to interior fuse box

65

12

OR

Headlamp high beam feed

66

13

TN

Headlamp low beam feed

67

38

RD

Headlamp switch feed

68

16

LG

Ignition supply to exterior fuse box fuses 2A, 2B, and 3B

69

175

LB

Power window relay feed

70

943

BR

Upper windshield washer pump activation

71

5

DG

Right rear turn signal

72

9

YL

Left rear turn signal

73

20

RD

Front park lamps

74

21

GY

Rear tail lamp feed

75

789

BR

Fuel selector valve control

76

941

TN

Lower windshield washer pump activation 

PIN

CKT

COLOR

DESCRIPTION

126

PCM/Tech 1 Scan Tool

___________________________________________________

®

56 WAY INSTRUMENT PANEL  LOCATION: BEHIND INSTRUMENT PANEL

C3 MALE

9-S12-050

E

G

F

D

C

B

A

M

P

N

L

K

J

H

1

2

3

4

5

10

9

8

7

6

PIN A1

PIN H6

C3 FEMALE

9-S12-049

E

G

F

D

C

B

A

M

P

N

L

K

J

H

6

7

8

9

10

5

4

3

2

1

CAV H6

CAV A1

PIN

CKT

COLOR

DESCRIPTION

A1

195

YL

Headlight switch feed

A2

54

DG

Dome lamp switch feed

A3

53

DB

Dome lamps feed

A4

67

BR

Rear wiper relay activation (not used 99)

B1

38

RD

Headlamp switch feed

B2

15

WH

Headlamp feed to dimmer module

B3

640

OR

CTIS switch ignition feed

B4

46

WH

CTIS compressor indicator lamp activation

C1

450

PK

Seat belt lamp activation

C2

47

LG

Deflate solenoid activation

C3

91

TN

Front inflate solenoid activation

 

____________________________________________________

PCM/Tech 1 Scan Tool 127

®

05745159

C4

92

GY

Rear inflate solenoid activation

D1

338

DB

Glow plug wait lamp activation

D2

2

LG

Right turn indicator lamp activation

D3

961

PP

TT4 indicator lamp activation

E1

42

BR

Brake indicator lamp activation

E2

603

RD

ABS indicator lamp activation

E3

793

YL

Low washer fluid activation

E4

943

TN

Rear Wiper feed (not used 99)

F1

12

OR

High Beam indicator lamp activation

F2

3

LB

Left turn indicator lamp activation

F3

658

BR

Check engine lamp activation

F4

327

YL

Drain Filter lamp activation

G1

517

PK

Power mirror switch battery feed

G2

210

DG

Transfer case lock lamp activation

G3

794

RD

Low coolant lamp activation

G4

428

PK

Low tire air lamp activation

G5

714

DB

Check throttle lamp activation

H6

14

LB

Headlamp switch feed

H7

65

YL

Ignition feed to intermittent wiper switch

H8

61

RD

High speed windshield wiper signal

H9

17

PP

+ from dimmer module

J6

63

DG

Low speed windshield wiper signal

J7

27

OR

Intermittent wiper signal

J8

948

DG/YL

Left hand power mirror up/down signal

J9

947

DB/YL

Left hand power mirror left/right signal

K6

942

OR/BK

Left hand power mirror common +/–

K7

19

YL

Power supply to dimmer module

K8

944

OR

Right hand power mirror common +/–

K9

644

YL

Tachometer signal

L6

476

GY

Clock battery feed

L7

31

TN

Oil pressure signal to gauge

L8

952

DB

Right hand power mirror left/right signal

M6

789

BR

Fuel selector valve control

PIN

CKT

COLOR

DESCRIPTION

128

PCM/Tech 1 Scan Tool

___________________________________________________

®

M7

786

RD

Fuel selector valve control

M8

787

GY

Fuel selector switch feed from fuel pump relay

M9

953

DG

Right hand power mirror up/down signal

N6

59

BK

Ground

N7

30

GY

Ignition feed to gauges

N8

941

TN

Windshield wiper washer pump activation

N9

945

BR

Intermittent wiper relay activation

P6

55

OR

Rear cargo lamp activation

P7

29

PK

Fuel gauge signal

P8

39

DG

Engine temperature gauge signal

P9

353

YL

Speedometer signal

P10

59

BK

Ground

PIN

CKT

COLOR

DESCRIPTION