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Home >> Chevrolet >> 2005 >> Chevy Express G3500, Van Passenger Extended >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System - 4.3L - Introduction) >> Component Locator >> Engine Controls Connectors
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Engine Controls Connectors

WARNING: This page is about a different variant/trim than selected.
Camshaft Position (CMP) Sensor

GM684807Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110293
  • 3-Way F Metri-Pack 150 Series Sealed (BK)
Pin Wire Color Circuit No. Function
A PK/BK 632 Low Reference
B BN/WH 633 CMP Sensor Signal
C OG 631 12-Volt Reference
Central Sequential Fuel Injection (Central SFI)

GM39782Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12177083
  • 12-Way F Micro-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
A TN/WH 845 Fuel Injector 5 Control
B PK 139 Ignition 1 Voltage
C PK/BK 1746 Fuel Injector 3 Control
D PK 139 Ignition 1 Voltage
E PK 139 Ignition 1 Voltage
F TN 1744 Fuel Injector 1 Control
G L-GN/BK 1745 Fuel Injector 2 Control
H PK 239 Ignition 1 Voltage
J PK 239 Ignition 1 Voltage
K L-BU/BK 844 Fuel Injector 4 Control
L PK 239 Ignition 1 Voltage
M YE/BK 846 Fuel Injector 6 Control
Crankshaft Position (CKP) Sensor

GM366117Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15324165
  • 3-Way F Metri-Pack 150 Series Sealed (NA)
Pin Wire Color Circuit No. Function
A L-GN 1867 12-Volt Reference
B PU 574 Low Reference
C YE 573 CKP Sensor Signal
Engine Coolant Temperature (ECT) Sensor

GM900247Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15359366
  • 2-Way F GT 150 Series Sealed (BK)
Pin Wire Color Circuit No. Function
A TN 2761 Low Reference
B YE 410 ECT Sensor Signal
Evaporative Emission (EVAP) Canister Purge Solenoid Valve

GM684829Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12124037
  • 2-Way F Metri-Pack 150 Series Sealed (BK)
Pin Wire Color Circuit No. Function
A PK 139 Ignition 1 Voltage
B D-GN/WH 428 EVAP Canister Purge Solenoid Control
Evaporative Emission (EVAP) Canister Vent Solenoid Valve

GM684795Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052643
  • 2-Way F Metri-Pack 150 Series Sealed (RD)
Pin Wire Color Circuit No. Function
A RD/WH 140 Battery Positive Voltage
B WH 1310 EVAP Canister Vent Solenoid Control
Fuel Pump and Sender Assembly

GM684908Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326631
  • 4-Way F GT 280 Series Sealed (BK)
Pin Wire Color Circuit No. Function
A BK 150 Ground
B PU 1589 Fuel Level Sensor Signal
C TN 2759 Low Reference
D GY 120 Fuel Pump Supply Voltage
Fuel Tank Pressure (FTP) Sensor

GM516611Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12059595
  • 3-Way F Metri-Pack 150 Series Sealed (BK)
Pin Wire Color Circuit No. Function
A TN 2759 Low Reference
B D-GN 890 Fuel Tank Pressure Sensor Signal
C GY 2709 5-Volt Reference B
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1

GM806613Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326423
  • 4-Way M Metri-Pack 150 Series Sealed (GY)
Pin Wire Color Circuit No. Function
A TN/WH 1653 HO2S Low Signal - Bank 1 Sensor 1
B PU/WH 1665 HO2S High Signal - Bank 1 Sensor 1
C L-BU 5038 HO2S Heater Low Control - Bank 1 Sensor 1
D PK 539 Ignition 1 Voltage
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2

GM806613Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326423
  • 4-Way M Metri-Pack 150 Series Sealed (GY)
Pin Wire Color Circuit No. Function
A TN/WH 1669 HO2S Low Signal - Bank 1 Sensor 2
B PU/WH 1668 HO2S High Signal - Bank 1 Sensor 2
C PU 5035 HO2S Heater Low Control - Bank 1 Sensor 2
D PK 1539 Ignition 1 Voltage
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1

GM806613Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12160825
  • 4-Way M Metri-Pack 150 Series Sealed (BK)
Pin Wire Color Circuit No. Function
A TN 1667 HO2S Low Signal - Bank 2 Sensor 1
B PU 1666 HO2S High Signal - Bank 2 Sensor 1
C PU/WH 5037 HO2S Heater Low Control - Bank 2 Sensor 1
D PK 539 Ignition 1 Voltage
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

GM806613Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12160825
  • 4-Way M Metri-Pack 150 Series Sealed (BK)
Pin Wire Color Circuit No. Function
A TN 1671 HO2S Low Signal - Bank 2 Sensor 2
B PU 1670 HO2S High Signal - Bank 2 Sensor 2
C YE 5036 HO2S Heater Low Control - Bank 2 Sensor 2
D PK 1539 Ignition 1 Voltage
Idle Air Control (IAC) Valve

GM684948Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15354716
  • 4-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)
Pin Wire Color Circuit No. Function
A L-GN/BK 444 IAC Coil B Low Control
B L-GN/WH 1749 IAC Coil B High Control
C L-BU/BK 1748 IAC Coil A Low Control
D L-BU/WH 1747 IAC Coil A High Control
Ignition Coil

GM68743Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12146121
  • 3-Way F Metri-Pack 150 Series Sealed (BN)
Pin Wire Color Circuit No. Function
A PK 239 Ignition 1 Voltage
B - - Not Used
C WH/BK 1847 Ignition Coil Control
Ignition Control Module (ICM)

GM847295Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15355331
  • 4-Way F GT 150 Series Sealed 3.2 x 4.0 (BK)
Pin Wire Color Circuit No. Function
A PK 139 Ignition 1 Voltage
B WH 423 IC Timing Control
C BK 1250 Ground
D WH/BK 1847 Ignition Coil Control
Knock Sensor (KS)

GM684833Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129140
  • 2-Way F Metri-Pack 280.1 Series Sealed - Pull To Seat (BK)
Pin Wire Color Circuit No. Function
A D-BU 496 Knock Sensor 1 Signal
B GY 1716 Low Reference
Manifold Absolute Pressure (MAP) Sensor

GM684840Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129946
  • 3-Way F Metri-Pack 150 Series Sealed (GY)
Pin Wire Color Circuit No. Function
A OG/BK 469 Low Reference
B L-GN 432 MAP Sensor Signal
C GY 597 5-Volt Reference A
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

GM647974Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326822
  • 5-Way F GT 150 Series Sealed 4.0 (BK)
Pin Wire Color Circuit No. Function
A YE 492 MAF Sensor Signal
B PK 139 Ignition 1 Voltage
C BK/WH 1551 Ground
D TN 472 IAT Sensor Signal
E TN 470 Low Reference
Throttle Position (TP) Sensor

GM726824Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15344137
  • 3-Way F GT 150 Series Sealed 5.2 (BK)
Pin Wire Color Circuit No. Function
1 GY 2701 5-Volt Reference A
2 TN 2752 Low Reference
3 D-BU 411 TP Sensor Signal
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