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Home › Chevrolet › 2005 › Chevy Express G3500, Van Passenger, LQ4/KL8 › Repair and Diagnosis › Engine Performance › System › Engine Control System - 6.0L (CNG) - Introduction › Component Locator › Engine Controls Connectors

Engine Controls Connectors

C001

GM130736Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12160542
  • 20-Way M Micro Pack 100W Series (GY)
 Connector Part Information
  • 12186609
  • 20-Way F Micro Pack 100W Series (GY)
Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function
A - - Not Used A - - Not Used
B OR 5619 LPL Ignition Voltage B OR 5619 LPL Ignition Voltage
C TN 1744 Fuel Injector 1 Signal C TN 1744 Fuel Injector 1 Signal
D L-GN/BK 1745 Fuel Injector 2 Signal D L-GN/BK 1745 Fuel Injector 2 Signal
E PK/BK 1746 Fuel Injector 3 Signal E PK/BK 1746 Fuel Injector 3 Signal
F L-BU/BK 844 Fuel Injector 4 Signal F L-BU/BK 844 Fuel Injector 4 Signal
G TN/WH 845 Fuel Injector 5 Signal G TN/WH 845 Fuel Injector 5 Signal
H YE/BK 846 Fuel Injector 6 Signal H YE/BK 846 Fuel Injector 6 Signal
J OR/BK 877 Fuel Injector 7 Signal J OR/BK 877 Fuel Injector 7 Signal
K D-BU/WH 878 Fuel Injector 8 Signal K D-BU/WH 878 Fuel Injector 8 Signal
L BK/WH 1551 Ground L BK/WH 1551 Ground
M D-BU/WH 5695 FRT PWM Output M D-BU/WH 5695 FRT PWM Output
N PK/BK 5605 FICM Diagnostic N PK/BK 5605 FICM Diagnostic
P PK 1020 FICM Ignition 0 Voltage P PK 1020 FICM Ignition 0 Voltage
R YE 5269 FRT Signal R YE 5269 FRT Signal
S TN 476 Low Reference S TN 476 Low Reference
T OR 5623 CNG Fuel Injector 1 Control T OR 5623 CNG Fuel Injector 1 Control
U PU 5625 CNG Fuel Injector 3 Control U PU 5625 CNG Fuel Injector 3 Control
V YE 5624 CNG Fuel Injector 2 Control V YE 5624 CNG Fuel Injector 2 Control
W BN 5626 CNG Fuel Injector 4 Control W BN 5626 CNG Fuel Injector 4 Control
C002

GM130736Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12160542
  • 20-Way M Micro Pack 100W Series (GY)
 Connector Part Information
  • 12186609
  • 20-Way F Micro Pack 100W Series (GY)
Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function
A PK 639 Ignition Voltage A PK 639 Ignition Voltage
B D-BU 5617 LPL Relay Control B D-BU 5617 LPL Relay Control
C TN 1744 Gasoline Fuel Injector 1 Control C TN 1744 Gasoline Fuel Injector 1 Control
D L-GN/BK 1745 Gasoline Fuel Injector 2 Control D L-GN/BK 1745 Gasoline Fuel Injector 2 Control
E PK/BK 1746 Gasoline Fuel Injector 3 Control E PK/BK 1746 Gasoline Fuel Injector 3 Control
F L-BU/BK 844 Gasoline Fuel Injector 4 Control F L-BU/BK 844 Gasoline Fuel Injector 4 Control
G TN/WH 845 Gasoline Fuel Injector 5 Control G TN/WH 845 Gasoline Fuel Injector 5 Control
H YE/BK 846 Gasoline Fuel Injector 6 Control H YE/BK 846 Gasoline Fuel Injector 6 Control
J OR/BK 877 Gasoline Fuel Injector 7 Control J OR/BK 877 Gasoline Fuel Injector 7 Control
K D-BU/WH 878 Gasoline Fuel Injector 8 Control K D-BU/WH 878 Gasoline Fuel Injector 8 Control
L YE/BK 5694 FRP PWM Output L YE/BK 5694 FRP PWM Output (w/o JL4)
M GY 474 5-Volt Reference M GY 474 5-Volt Reference (w/o JL4)
N BK/WH 1551 Ground N BK/WH 1551 Ground
P - - Not Used P - - Not Used
R D-BU 5622 FRP Signal R D-BU 5622 FRP Signal (w/o JL4)
S OR 2531 AFO Enable S OR 2531 AFO Enable
T L-GN 5627 CNG Fuel Injector 5 Control T L-GN 5627 CNG Fuel Injector 5 Control
U D-BU 5629 CNG Fuel Injector 7 Control U D-BU 5629 CNG Fuel Injector 7 Control
V L-BU 5628 CNG Fuel Injector 6 Control V L-BU 5628 CNG Fuel Injector 6 Control
W D-GN 5630 CNG Fuel Injector 8 Control W D-GN 5630 CNG Fuel Injector 8 Control
C003

GM632349Courtesy of GENERAL MOTORS CORP.
GM523630Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326806
  • 2-Way M Sealed 150 Series (BK)
 Connector Part Information
  • 15326801
  • 2-Way F Sealed 150 Series (BK)
Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function
A L-GN 5606 FIL Control A L-GN 5606 FIL Control
B PU 5607 Fuel Gage Select Switch Signal B PU 5607 Fuel Gage Select Switch Signal
C004

GM684916Courtesy of GENERAL MOTORS CORP.
GM646400Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326840
  • 8-Way M GT 150 Sealed 4.0 (BK)
 Connector Part Information
  • 15326835
  • 8-Way F GT 150 Sealed 4.0 (BK)
Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function
A OR/BK 5620 HPL Ignition Voltage - Rear Tanks A OR/BK 5620 HPL Ignition Voltage - Rear Tanks
B OR 5621 HPL Ignition Voltage - Mid-frame Tank (KL8) B OR 5621 HPL Ignition Voltage - Mid-frame Tank (KL8)
C D-BU 5632 FTT Sensor Signal C D-BU 5632 FTT Sensor Signal
D TN 5631 Low Reference D BK/WH 1551 Low Reference
E D-GN/WH 5633 FTP Sensor Signal E D-GN/WH 5633 FTP Sensor Signal
F GY 5634 5-Volt Reference F GY 5634 5-Volt Reference
G BK 1250 HPL Solenoid Ground G BK 1250 HPL Solenoid Ground
H - - Not Used H - - Not Used
C005

GM831369Courtesy of GENERAL MOTORS CORP.
GM831372Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326854
  • 12-Way M GT 150 Sealed 4.0 (BK)
 Connector Part Information
  • 15326849
  • 12-Way F GT 150 Sealed 4.0 (BK)
Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function
A TN 1744 Gasoline Fuel Injector 1 Control A TN 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 TN/WH 845 Gasoline Fuel Injector 5 Control C TN/WH 845 Gasoline Fuel Injector 5 Control
D OR/BK 877 Gasoline Fuel Injector 7 Control D OR/BK 877 Gasoline Fuel Injector 7 Control
E PK 139 Ignition Voltage E PK 139 Ignition Voltage
F PK 139 Ignition Voltage F PK 139 Ignition Voltage
G PK 139 Ignition Voltage G PK 139 Ignition Voltage
H PK 139 Ignition Voltage H PK 139 Ignition Voltage
J OR 5623 CNG Fuel Injector 1 Control J OR 5623 CNG Fuel Injector 1 Control
K PU 5625 CNG Fuel Injector 3 Control K PU 5625 CNG Fuel Injector 3 Control
L L-GN 5627 CNG Fuel Injector 5 Control L L-GN 5627 CNG Fuel Injector 5 Control
M D-BU 5629 CNG Fuel Injector 7 Control M D-BU 5629 CNG Fuel Injector 7 Control
C006

GM831369Courtesy of GENERAL MOTORS CORP.
GM831372Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326854
  • 12-Way M GT 150 Sealed 4.0 (BK)
 Connector Part Information
  • 15326849
  • 12-Way F GT 150 Sealed 4.0 (BK)
Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function
A L-GN/BK 1745 Gasoline Fuel Injector 2 Control A L-GN/BK 1745 Gasoline Fuel Injector 2 Control
B L-BU/BK 844 Gasoline Fuel Injector 4 Control B L-BU/BK 844 Gasoline Fuel Injector 4 Control
C YE/BK 846 Gasoline Fuel Injector 6 Control C YE/BK 846 Gasoline Fuel Injector 6 Control
D D-BU/WH 878 Gasoline Fuel Injector 8 Control D D-BU/WH 878 Gasoline Fuel Injector 8 Control
E PK 239 Ignition Voltage E PK 239 Ignition Voltage
F PK 239 Ignition Voltage F PK 239 Ignition Voltage
G PK 239 Ignition Voltage G PK 239 Ignition Voltage
H PK 239 Ignition Voltage H PK 239 Ignition Voltage
J YE 5624 CNG Fuel Injector 2 Control J YE 5624 CNG Fuel Injector 2 Control
K BR 5626 CNG Fuel Injector 4 Control K BR 5626 CNG Fuel Injector 4 Control
L L-BU 5628 CNG Fuel Injector 6 Control L L-BU 5628 CNG Fuel Injector 6 Control
M D-GN 5630 CNG Fuel Injector 8 Control M D-GN 5630 CNG Fuel Injector 8 Control
Fuel Rail Pressure Sensor

GM258299Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12065287
  • 3-Way F Metri-Pack Sealed 150 Series (BK)
Pin Wire Color Circuit No. Function
A TN 476 Low Reference
B GY 474 5-Volt Reference
C D-BU 5622 Sensor Signal
AF Fuel Injector #1

GM684833Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129140
  • 2-Way F Metri Pack 280.1 Pull to Seat (BK)
Pin Wire Color Circuit No. Function
A PN 139 Injector Power
B OR 5623 Injector Control
AF Fuel Injector #2

GM684833Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129140
  • 2-Way F Metri Pack 280.1 Pull to Seat (BK)
Pin Wire Color Circuit No. Function
A PN 239 Injector Power
B YE 5624 Injector Control
AF Fuel Injector #3

GM684833Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129140
  • 2-Way F Metri Pack 280.1 Pull to Seat (BK)
Pin Wire Color Circuit No. Function
A PN 139 Injector Power
B PU 5625 Injector Control
AF Fuel Injector #4

GM684833Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129140
  • 2-Way F Metri Pack 280.1 Pull to Seat (BK)
Pin Wire Color Circuit No. Function
A PN 239 Injector Power
B BN 5626 Injector Control
AF Fuel Injector #5

GM684833Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129140
  • 2-Way F Metri Pack 280.1 Pull to Seat (BK)
Pin Wire Color Circuit No. Function
A PN 139 Injector Power
B L-GN 5627 Injector Control
AF Fuel Injector #6

GM684833Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129140
  • 2-Way F Metri Pack 280.1 Pull to Seat (BK)
Pin Wire Color Circuit No. Function
A PN 239 Injector Power
B L-BU 5628 Injector Control
AF Fuel Injector #7

GM684833Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129140
  • 2-Way F Metri Pack 280.1 Pull to Seat (BK)
Pin Wire Color Circuit No. Function
A PN 139 Injector Power
B D-BU 5629 Injector Control
AF Fuel Injector #8

GM684833Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129140
  • 2-Way F Metri Pack 280.1 Pull to Seat (BK)
Pin Wire Color Circuit No. Function
A PN 239 Injector Power
B D-GN 5630 Injector Control
Low Pressure Lock-Off Relay

GM535912Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129716
  • 4-Way F Sealed Flexlock 280 Series (M-GY)
Pin Wire Color Circuit No. Function
30 PK 639 Ignition Voltage
85 PK 639 Ignition Voltage
86 D-BU 5617 Relay Control
87 OR 5619 LPL Power
Low Pressure Lock-Off Solenoid

GM236598Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052641
  • 2-Way F Metri-Pack Sealed 150 Series (BK)
Pin Wire Color Circuit No. Function
A BK 1250 Ground
B OR 5619 Solenoid Voltage
High Pressure Lock-Off Solenoid

GM236598Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052641
  • 2-Way F Metri-Pack Sealed 150 Series (BK)
Pin Wire Color Circuit No. Function
A OR/BK 5620 Solenoid Voltage
B BK 12500 Ground
Fuel Tank Temperature Sensor

GM236598Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052644
  • 2-Way F Metri-Pack Sealed 150 Series (L-GY)
Pin Wire Color Circuit No. Function
A TN 5631 Low Reference
B D-BU 5632 Sensor Signal
AF Fuel Tank Pressure Sensor

GM258299Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12065287
  • 3-Way F Metri-Pack Sealed 150 Series (BK)
Pin Wire Color Circuit No. Function
A TN 5631 Low Reference
B GY 5634 5-Volt Reference
C D-GN/WH 5633 Sensor Signal
Fuel Gage Select Switch

GM646374Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15332145
  • 8-Way F GT 150 Series (BK)
Pin Wire Color Circuit No. Function
A PU 5607 Fuel Gage Select Switch Signal
B - - Not used
C L-GN 5606 Fuel Indicator Lamp Control
D-H - - Not Used
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