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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1755 (Wiring Systems And Power Management - Component Connector End Views - 1-C) >> Component Connector End Views - 1 Through C >> Central Sequential Fuel Injection (Central SFI) X7 (LU3)
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Central Sequential Fuel Injection (Central SFI) X7 (LU3)

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Fig 1: Central Sequential Fuel Injection (Central SFI) X7 (LU3)
GM1903780Courtesy of GENERAL MOTORS CORP.
Central Sequential Fuel Injection (Central SFI) X7 (LU3)

Pin Wire Circuit Function
A 0.5 TN/WH 845 Fuel Injector 5 Control
B 0.5 PK 1839 Ignition 1 Voltage
C 0.5 PK/BK 1746 Fuel Injector 3 Control
D 0.5 PK 1839 Ignition 1 Voltage
E 0.5 PK 1839 Ignition 1 Voltage
F 0.5 TN 1744 Fuel Injector 1 Control
G 0.5 L-GN/BK 1745 Fuel Injector 2 Control
H 0.5 PK 1839 Ignition 1 Voltage
J 0.5 PK 1839 Ignition 1 Voltage
K 0.5 L-BU/BK 844 Fuel Injector 4 Control
L 0.5 PK 1839 Ignition 1 Voltage
M 0.5 YE/BK 846 Fuel Injector 6 Control
Connector Part Information 
  • Harness: Engine
  • OEM: 12177083 Part 1
  • Service: Pending
  • Description: 12-Way F Micro-Pack 100 Series 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
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