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Home >> GMC >> 2007 >> Sierra Classic 1500 HD, RWD >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views - Engine Control Module, Engine Controls, Engine Electrical >> Engine Controls Connector End Views (4.3L) >> Central Sequential Fuel Injection (Central SFI) Connector End View

Central Sequential Fuel Injection (Central SFI) Connector End View

Fig 1: Central Sequential Fuel Injection (Central SFI) Connector End View
GM39782Courtesy of GENERAL MOTORS CORP.
Central Sequential Fuel Injection (Central SFI) Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 12177083
  • Service: 12167140
  • Description: 12-Way F Micro-Pack 100 Series (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Central Sequential Fuel Injection (Central SFI) Terminal Identification

Pin Wire Color Circuit No. Function
A BK/WH 845 Fuel Injector 5 Control
B PK 1039 Ignition 1 Voltage
C PK/BK 1746 Fuel Injector 3 Control
D PK 1039 Ignition 1 Voltage
E PK 1039 Ignition 1 Voltage
F BK 1744 Fuel Injector 1 Control
G L-GN/BK 1745 Fuel Injector 2 Control
H PK 1239 Ignition 1 Voltage
J PK 1239 Ignition 1 Voltage
K L-BU/BK 844 Fuel Injector 4 Control
L PK 1239 Ignition 1 Voltage
M YE/BK 846 Fuel Injector 6 Control
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