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Home >> Cadillac >> 2014 >> Escalade ESV Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Wiring Systems And Power Management - Component Connector End Views - 1-2 Shift Solenoid To Drive Motor Battery Control Module (X3)) >> Component Connector End Views >> Central Sequential Fuel Injection (Central SFI) X1-X6 (LU3)
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Central Sequential Fuel Injection (Central SFI) X1-X6 (LU3)

WARNING: This page is about a different car, the 2014 GMC Sierra 3500 HD, 2014 GMC Sierra 2500 HD, 2014 Chevrolet Silverado 3500 HD, and 2014 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
GM1903781Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Fuel Injector Jumper
  • OEM Connector: 12597538
  • Service Connector: 12603371
  • Description: 2-Way F Sealed (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) X1-X6 (LU3)

Pin Wire Circuit Function
X1-1 0.5 BK 1744 Fuel Injector 1 Control
X1-2 0.5 BK 1839 Ignition 1 Voltage
X2-1 0.5 BK 1745 Fuel Injector 2 Control
X2-2 0.5 BK 1839 Ignition 1 Voltage
X3-1 0.5 BK 1746 Fuel injector 3 Control
X3-2 0.5 BK 1839 Ignition 1 Voltage
X4-1 0.5 BK 844 Fuel Injector 4 Control
X4-2 0.5 BK 1839 Ignition 1 Voltage
X5-1 0.5 BK 845 Fuel Injector 5 Control
X5-2 0.5 BK 1839 Ignition 1 Voltage
X6-1 0.5 BK 846 Fuel Injector 6 Control
X6-2 0.5 BK 1839 Ignition 1 Voltage
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