Central Sequential Fuel Injection (Central SFI) X7 (4.3L)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Central Sequential Fuel Injection (Central SFI) X7 (4.3L) Connector End View

Courtesy of GENERAL MOTORS CORP.

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

OEM: 12177083 Part 1
Service: See Catalog
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