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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 894 (Engine Controls And Fuel - 4.3L - Introduction (2 Of 2)) >> Component Locator >> Engine Controls Connectors >> Central Sequential Fuel Injection (SFI) X7

Central Sequential Fuel Injection (SFI) X7

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Central Sequential Fuel Injection (SFI) X7 Connector End View
GM1903780Courtesy of GENERAL MOTORS CORP.
Central Sequential Fuel Injection (SFI) X7 Connector Parts Information

Connector Part Information 
  • OEM: 12597538 Part 1
  • Service: See Catalog
  • 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 (SFI) X7 Connector Terminal Identification

Pin Wire Color Circuit No. 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
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