GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 GMC C Sierra - 2WD (CNG) 🢒 Engine 🢒 Engine Controls - 6.0L 🢒 Engine Controls Connector End Views
Table 1: C002
Table 2: C003
Table 3: C004
Table 4: C005
Table 5: C006
Table 6: C007
Table 7: C008
Table 8: C009
Table 9: C010
Table 10: Fuel Rail Temperature Sensor
Table 11: Fuel Rail Pressure Sensor
Table 12: AF Fuel Injector #1
Table 13: AF Fuel Injector #3
Table 14: AF Fuel Injector #5
Table 15: AF Fuel Injector #7
Table 16: AF Fuel Injector #2
Table 17: AF Fuel Injector #4
Table 18: AF Fuel Injector #6
Table 19: AF Fuel Injector #8
Table 20: AF Lock-Off Relay
Table 21: Low Pressure Lock-Off Solenoid
Table 22: High Pressure Lock-Off Solenoid
Table 23: Fuel Tank Temperature
Table 24: AF Fuel Tank Pressure
Table 25: Fuel Gage Select Switch

C002


Object Number: 632342 Size: CH

Object Number: 632344 Size: CH

Connector Part Information
    • 15326847
    • 10-Way M GT 150 Sealed (BK)

Connector Part Information
    • 15326842
    • 10-Way F GT 150 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

D-GN/WH

890

FTP Signal

A

D-GN/WH

890

FTP Signal

B

D-BU

1578

FTT Signal

B

D-BU

1578

FTT Signal

C

GY

470

Low Reference

C

GY

470

Low Reference

D

TN

474

5-Volt Reference

D

TN

474

5-Volt Reference

E

PK/BK

462

FICM Status

E

PK/BK

462

FICM Status

F

OR

440

Battery Positive Voltage

F

OR

440

Battery Positive Voltage

G

WH

790

PWM Signal

G

WH

790

PWM Signal

H

PK

1020

Ignition 0 Voltage

H

PK

1020

Ignition 0 Voltage

J

RD

2531

AFO Enable

J

RD

2531

AFO Enable

K

PK

439

Ignition 1 Voltage

K

PK

439

Ignition 1 Voltage

C003


Object Number: 847206 Size: CH

Object Number: 847206 Size: CH

Connector Part Information
    • 12040977
    • 3-Way F Metri-pack 280 Series (BK)

Connector Part Information
    • 12103075
    • 3-Way M Metri-pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

BK

451

Ground

A

BK

451

Ground

B

BK

350

Ground

B

BK

350

Ground

C

--

--

Not Used

C

--

--

Not Used

C004


Object Number: 684916 Size: CH

Object Number: 646400 Size: CH

Connector Part Information
    • 15326840
    • 8-Way M GT 150 Sealed (BK)

Connector Part Information
    • 15326835
    • 8-Way F GT 150 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

BK

1744

Fuel Injector 1 PCM Signal

A

BK

1744

Fuel Injector 1 PCM Signal

B

PK/BK

1746

Fuel Injector 3 PCM Signal

B

PK/BK

1746

Fuel Injector 3 PCM Signal

C

BK/WH

845

Fuel Injector 5 PCM Signal

C

BK/WH

845

Fuel Injector 5 PCM Signal

D

RD/BK

877

Fuel Injector 7 PCM Signal

D

RD/BK

877

Fuel Injector 7 PCM Signal

E

L-GN/BK

1745

Fuel Injector 2 PCM Signal

E

L-GN/BK

1745

Fuel Injector 2 PCM Signal

F

L-BU/BK

844

Fuel Injector 4 PCM Signal

F

L-BU/BK

844

Fuel Injector 4 PCM Signal

G

YE/BK

846

Fuel Injector 6 PCM Signal

G

YE/BK

846

Fuel Injector 6 PCM Signal

H

D-BU/WH

878

Fuel Injector 8 PCM Signal

H

D-BU/WH

878

Fuel Injector 8 PCM Signal

C005


Object Number: 646400 Size: CH

Object Number: 684916 Size: CH

Connector Part Information
    • 15326835
    • 8-Way F GT 150 Sealed (BK)

Connector Part Information
    • 15326840
    • 8-Way M GT 150 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

BK

1744

Gasoline Fuel Injector 1 Control

A

BK

1744

Gasoline Fuel Injector 1 Control

B

PK/BK

1746

Gasoline Fuel Injector 3 Control

B

PK/BK

1746

Gasoline Fuel Injector 3 Control

C

BK/WH

845

Gasoline Fuel Injector 5 Control

C

BK/WH

845

Gasoline Fuel Injector 5 Control

D

RD/BK

877

Gasoline Fuel Injector 7 Control

D

RD/BK

877

Gasoline Fuel Injector 7 Control

E

L-GN/BK

1745

Gasoline Fuel Injector 2 Control

E

L-GN/BK

1745

Gasoline Fuel Injector 2 Control

F

L-BU/BK

844

Gasoline Fuel Injector 4 Control

F

L-BU/BK

844

Gasoline Fuel Injector 4 Control

G

YE/BK

846

Gasoline Fuel Injector 6 Control

G

YE/BK

846

Gasoline Fuel Injector 6 Control

H

D-BU/WH

878

Gasoline Fuel Injector 8 Control

H

D-BU/WH

878

Gasoline Fuel Injector 8 Control

C006


Object Number: 886053 Size: CH

Object Number: 646396 Size: CH

Connector Part Information
    • 15326830
    • 6-Way F GT 150 Sealed (BK)

Connector Part Information
    • 15326833
    • 6-Way M GT 150 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

PK

1039

Injector 1/3 Ignition Voltage

A

PK

1039

Injector 1/3 Ignition Voltage

B

BK

1744

Gasoline Fuel Injector 1 Control

B

BK

1744

Gasoline Fuel Injector 1 Control

C

PK/BK

1746

Gasoline Fuel Injector 3 Control

C

PK/BK

1746

Gasoline Fuel Injector 3 Control

D

BK/WH

845

Gasoline Fuel Injector 5 Control

D

BK/WH

845

Gasoline Fuel Injector 5 Control

E

RD/BK

877

Gasoline Fuel Injector 7 Control

E

RD/BK

877

Gasoline Fuel Injector 7 Control

F

PK

1039

Injectors 5/7 Ignition Voltage

F

PK

1039

Injectors 5/7 Ignition Voltage

C007


Object Number: 886053 Size: CH

Object Number: 646396 Size: CH

Connector Part Information
    • 15326830
    • 6-Way F GT 150 Sealed (BK)

Connector Part Information
    • 15326833
    • 6-Way M GT 150 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Injectors 2/4 Ignition Voltage

A

PK

1239

Injectors 2/4 Ignition Voltage

B

L-GN/BK

1745

Gasoline Fuel Injector 2 Control

B

L-GN/BK

1745

Gasoline Fuel Injector 2 Control

C

L-BU/BK

844

Gasoline Fuel Injector 4 Control

C

L-BU/BK

844

Gasoline Fuel Injector 4 Control

D

YE/BK

846

Gasoline Fuel Injector 6 Control

D

YE/BK

846

Gasoline Fuel Injector 6 Control

E

D-BU/WH

878

Gasoline Fuel Injector 8 Control

E

D-BU/WH

878

Gasoline Fuel Injector 8 Control

F

PK

1239

Injectors 6/8 Ignition Voltage

F

PK

1239

Injectors 6/8 Ignition Voltage

C008


Object Number: 646400 Size: CH

Object Number: 684916 Size: CH

Connector Part Information
    • 15326835
    • 8-Way F GT 150 Sealed (BK)

Connector Part Information
    • 15326840
    • 8-Way M GT 150 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

D-GN

890

FTP Signal

A

D-GN

890

FTP Signal

B

PK

1580

HPL Solenoid Control

B

PK

1580

HPL Solenoid Control

C

YE

1578

FTT Signal

C

YE

1578

FTT Signal

D

--

--

Not Used

D

--

--

Not Used

E

GY

120

LPL Solenoid Ignition Voltage

E

GY

120

LPL Solenoid Ignition Voltage

F

BK

470

Low Reference

F

BK

470

Low Reference

G

GY

474

5-Volt Reference

G

GY

474

5-Volt Reference

H

--

--

Not Used

H

--

--

Not Used

C009


Object Number: 646400 Size: CH

Object Number: 684916 Size: CH

Connector Part Information
    • 15326835
    • 8-Way F GT 150 Sealed (BK)

Connector Part Information
    • 15326840
    • 8-Way M GT 150 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

D-GN

890

FTP Signal

A

D-GN

890

FTP Signal

B

PK

1580

HPL Solenoid Control

B

PK

1580

HPL Solenoid Control

C

YE

1578

FTT Signal

C

YE

1578

FTT Signal

D

--

--

Not Used

D

--

--

Not Used

E

GY

120

HPL Solenoid Ignition Voltage

E

GY

120

HPL Solenoid Ignition Voltage

F

BK

470

Low Reference

F

BK

470

Low Reference

G

GY

474

5-Volt Reference

G

GY

474

5-Volt Reference

H

--

--

Not Used

H

--

--

Not Used

C010


Object Number: 523630 Size: CH

Object Number: 632349 Size: CH

Connector Part Information
    • 15326801
    • 2-Way F GT 150 Sealed (BK)

Connector Part Information
    • 15326806
    • 2-Way M GT 150 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

A

--

--

Not Used

B

PU/WH

455

Fuel Gage Select Switch Signal

B

PU/WH

455

Fuel Gage Select Switch Signal

Fuel Rail Temperature Sensor


Object Number: 237066 Size: CH

Connector Part Information
    • 12162194
    • 2-Way F Metri-Pack 150.2 Series, P2S (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

470

Low Reference

B

YE

1578

Sensor Signal

Fuel Rail Pressure Sensor


Object Number: 62485 Size: CH

Connector Part Information
    • 12078090
    • 3-Way F Metri-Pack Sealed 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

470

Low Reference

B

GY

4741

5-Volt Reference

C

D-BU

2670

Sensor Signal

AF Fuel Injector #1


Object Number: 684833 Size: CH

Connector Part Information
    • 61890553
    • 2-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

2539

Injector Power

B

BK

1744

Injector Control

AF Fuel Injector #3


Object Number: 684833 Size: CH

Connector Part Information
    • 61890553
    • 2-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

2539

Injector Power

B

PK/BK

1746

Injector Control

AF Fuel Injector #5


Object Number: 684833 Size: CH

Connector Part Information
    • 61890553
    • 2-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

2539

Injector Power

B

BK/WH

845

Injector Control

AF Fuel Injector #7


Object Number: 684833 Size: CH

Connector Part Information
    • 61890553
    • 2-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

2539

Injector Power

B

BK/WH

877

Injector Control

AF Fuel Injector #2


Object Number: 684833 Size: CH

Connector Part Information
    • 61890553
    • 2-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

2739

Injector Power

B

L-GN/BK

1745

Injector Control

AF Fuel Injector #4


Object Number: 684833 Size: CH

Connector Part Information
    • 61890553
    • 2-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

2739

Injector Power

B

L-BU

844

Injector Control

AF Fuel Injector #6


Object Number: 684833 Size: CH

Connector Part Information
    • 61890553
    • 2-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

2739

Injector Power

B

YE/BK

846

Injector Control

AF Fuel Injector #8


Object Number: 684833 Size: CH

Connector Part Information
    • 61890553
    • 2-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

2739

Injector Power

B

D-BU/WH

878

Injector Control

AF Lock-Off Relay


Object Number: 535912 Size: CH

Connector Part Information
    • 12129716
    • 4-Way F Sealed Flexlock 280 Series (M-GY)

Pin

Wire Color

Circuit No.

Function

30

OR

2640

Battery Power

85

PK

439

Ignition Power

86

BK

2150

Ground

87

GY

120

Lock-Off Power

87A

--

--

Not Used

Low Pressure Lock-Off Solenoid


Object Number: 236598 Size: CH

Connector Part Information
    • 12052641
    • 2-Way F Metri-Pack Sealed 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

120

Solenoid Power

B

D-BU

313

Solenoid Control

High Pressure Lock-Off Solenoid


Object Number: 236598 Size: CH

Connector Part Information
    • 12052641
    • 2-Way F Metri-Pack Sealed 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

120

Solenoid Power

B

PK

1580

Solenoid Control

Fuel Tank Temperature


Object Number: 236598 Size: CH

Connector Part Information
    • 12052644
    • 2-Way F Metri-Pack Sealed 150 Series (L-GY)

Pin

Wire Color

Circuit No.

Function

A

BK

470

Low Reference

B

YE

1578

Sensor Signal

AF Fuel Tank Pressure


Object Number: 62485 Size: CH

Connector Part Information
    • 12078090
    • 3-Way F Metri-Pack Sealed 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

470

Low Reference

B

GY

474

5-Volt Reference

C

D-GN

890

Sensor Signal

Fuel Gage Select Switch


Object Number: 130718 Size: CH

Connector Part Information
    • 12129716
    • 5-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN/WH

230

Illumination Power

B

--

--

Not Used

C

BK

1050

Ground

D

PU/WH

455

Switch Signal

E

--

--

Not Used