Fuel Injection Control Module (FICM) Connector End Views

Fuel Injection Control Module (FICM) Connector - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		1928403454 81-Way F Bosch Series (BK)
Pin	Wire Color	Circuit No.	Function
1	WH/L-GN	IC18	Fuel Injector 4 Command
2	YE/BK	IZ17	Ground
3	OG	IC13	Injector Supply Voltage
4	RD/L-GN	IC15	Fuel Injector 1 Command
5	PK	339	Ignition 1 Voltage
6-43	-	-	Not Used
44	L-BU/BK	844	Fuel Injector 4 Control
45	BK/WH	845	Fuel Injector 5 Control
46	-	-	Not Used
47	PK/BK	1746	Fuel Injector 3 Control
48	RD/BK	877	Fuel Injector 7 Control
49-58	-	-	Not Used
59	D-BU/WH	IC20	Fuel Injector 6 Command
60	D-BU/WH	IC520	Fuel Injector 6 Command
61	WH/RD	IC21	Fuel Injector 7 Command
62	WH/RD	IC521	Fuel Injector 7 Command
63	D-BU/WH	878	Fuel Injector 8 Control
64	YE/BK	846	Fuel Injector 6 Control
65	-	-	Not Used
66	BK	1744	Fuel Injector 1 Control
67	L-GN/BK	1745	Fuel Injector 2 Control
68-81	-	-	Not Used

Fuel Injection Control Module (FICM) Connector - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		1928403462 40-Way F Bosch Series (BK)
Pin	Wire Color	Circuit No.	Function
82-89	-	-	Not Used
90	D-GN	2362	SAE J1939 Serial Data Bus -
91	YE	2361	SAE J1939 Serial Data Bus +
92-93	-	-	Not Used
94	L-BU	2832	Engine Speed Signal
95-113	-	-	Not Used
114	BK/GN	IZ18	Ground
115	WH/L-BU	IC17	Fuel Injector 3 Command
116	RD/L-GN	IC19	Fuel Injector 5 Command
117	-	-	Not Used
118	RD/WH	IC60	Injector Supply Voltage
119	PK	339	Ignition 1 Voltage
120	WH/GN	IC22	Fuel Injector 8 Command
121	WH/YE	IC16	Fuel Injector 2 Command