Engine Control Module (ECM) Connector End View - C1

Fig 1: Engine Control Module (ECM) - C1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Engine Control Module (ECM) - C1 Connector & Terminal Parts Information

Connector Part Information

OEM: 15438366
Service: 89046933
Description: 96-Way F Sealed (BK)

Terminal Part Information

Terminal/Tray: 1928498135/19
Core/Insulation Crimp: Pins 1-3, 8, 9, 25-27, 31, 49-51, 60, 73-75, 77, 84 - See Terminal Repair Kit
Core/Insulation Crimp: Pins 6, 7, 10-13, 15, 18- 21, 23, 24, 30, 32, 34, 37-42, 44, 47, 48, 53, 55-58, 61-63, 65-68, 71, 72, 76, 78, 79, 82, 85, 86, 88, 92, 96 - P/P
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Engine Control Module (ECM) - C1 Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	OG	5421	Injector Positive Voltage Control Group 1
2	D-BU/WH	878	Fuel Injector 8 Control
3	RD/BK	877	Fuel Injector 7 Control
4-5	-	-	Not Used
6	OG/BK	469	Low Reference
7	PU	806	Crank Voltage
8	YE	2522	PTO Engage Signal
9	BN	1174	Oil Level Switch Signal
10	GY/BK	87	Cruise Control Resume/Accel Switch Signal
11	GY/BK	6272	Low Reference
12	GY	2704	5-Volt Reference
13	TN	5928	5-Volt Reference
14	-	-	Not Used
15	GY	2705	5-Volt Reference
16-17	-	-	Not Used
18	YE	492	MAF Sensor Signal
19	L-GN	432	Turbocharger Boost Sensor Signal
20	YE	5947	Turbocharger Vane Position Sensor Signal
21	L-BU	1162	APP Sensor 2 Signal
22	-	-	Not Used
23	BK	2755	Low Reference
24	PU/WH	2530	Fuel Pressure Regulator Solenoid Supply Voltage
25	PK	5425	Injector Positive Voltage Control Group 4
26	YE/BK	846	Fuel Injector 6 Control
27	PK/BK	1746	Fuel Injector 3 Control
28-29	-	-	Not Used
30	OG/BK	2919	Low Reference
31	L-BU	494	Engine Shutoff Signal (PTO w/A/T)
32	GY	48	CPP Switch Signal
33	-	-	Not Used
34	D-BU	84	Cruise Control Set/Coast Switch Signal
35-36	-	-	Not Used
37	GY	2703	5-Volt Reference
38	TN	1274	5-Volt Reference
39	TN	2917	5-Volt Reference
40	PU/WH	6270	5-Volt Reference
41	RD	6259	5-Volt Reference
42	TN	472	IAT Sensor Signal
43	-	-	Not Used
44	TN/WH	332	Oil Pressure Sensor Signal
45-46	-	-	Not Used
47	GY	720	Low Reference
48	D-BU	5930	Turbocharger Vane Position Control Solenoid Valve High Control
49	PU	5423	Injector Positive Voltage Control Group 3
50	BK/WH	845	Fuel Injector 5 Control
51	L-BU/BK	844	Fuel Injector 4 Control
52	-	-	Not Used
53	YE/BK	6120	Low Reference
54	-	-	Not Used
55	GY/BK	2931	Low Reference
56	D-BU/WH	6265	CMP Sensor Signal
57	GY/BK	1694	4WD Low Signal
58	L-GN	1478	Coolant Level Switch Signal
59	-	-	Not Used
60	L-GN	488	PTO On Switch Signal
61	GY	397	Cruise Control ON Switch Signal
62	BK	552	Low Reference
63	OG/BK	5929	Low Reference
64	-	-	Not Used
65	L-BU	6118	IAT Sensor 2 Signal
66	-	-	Not Used
67	BN/WH	5763	EGR Valve Position Signal
68	YE	410	ECT Sensor Signal
69-70	-	-	Not Used
71	YE/BK	625	Starter Enable Relay Control
72	YE	2834	Fuel Pressure Regulator Solenoid Control
73	YE	5422	Injector Positive Voltage Control Group 2
74	BK	1744	Fuel Injector 1 Control
75	L-GN/BK	1745	Fuel Injector 2 Control
76	PK	1039	Ignition 1 Voltage
77	OG	440	Battery Positive Voltage
78	PU	1272	Low Reference
79	WH/BK	6271	CKP Sensor Signal
80-81	-	-	Not Used
82	BK/WH	1695	Axle Switch Signal
83	-	-	Not Used
84	GY	1524	Backup Lamp Supply Voltage
85	YE/BK	508	Water In Fuel Indicator Control
86	BK	2754	Low Reference
87	-	-	Not Used
88	BN	6266	Low Reference
89-91	-	-	Not Used
92	YE	2918	FRP Sensor Signal
93-95	-	-	Not Used
96	WH	5931	Turbocharger Vane Position Control Solenoid Valve Low Control