Engine Control Module Connector End Views. GMC Truck Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Control Module Connector End Views

Connector 1:	Engine Control Module (ECM) X1
Connector 2:	Engine Control Module (ECM) X2

Engine Control Module (ECM) X1

Connector Part Information

OEM: 15438366
Service: 19149311
Description: 96-Way F Sealed (BK)

Terminal Part Information

Pins: 1-3, 25-27, 49-51, 73-75
Terminal/Tray: 1928498135/19
Core/Insulation Crimp: K/K
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 5-6, 9, 11-15, 17, 19-21, 23-24, 30, 33, 35-45, 47-48, 53, 56, 62-72, 76-79, 82-88, 90-96
Terminal/Tray: 1928498135/19
Core/Insulation Crimp: J/J
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Engine Control Module (ECM) X1

Pin	Wire Color	Circuit No.	Function
1	1 OG	5421	Fuel Injector Supply Voltage 1
2	1 D-BU/WH	878	Fuel Injector 8
3	1 OG/BK	877	Fuel Injector 7 Control
4	--	--	Not Used
5	0.5 YE	492	MAF Sensor Signal
6	0.5 OG/BK	469	Low Reference
7-8	--	--	Not Used
9	0.5 BN	1174	Oil Level Switch Signal
10	--	--	Not Used
11	0.5 GY/BK	6272	Low Reference
12	0.5 GY	2704	5-Volt Reference 3
13	0.5 TN	5928	5-Volt Reference 3
14	0.5 GY	6054	5-Volt Reference 2
15	0.5 GY/WH	2705	5-Volt Reference 2
16	--	--	Not Used
17	0.5 GY	2701	5-Volt Reference 1
18	--	--	Not Used
19	0.5 L-GN	432	MAP Sensor Signal
20	0.5 YE	5947	Turbocharger Vane Position Sensor Signal
21	0.5 L-BU	1162	APP Sensor 2 Signal
22	--	--	Not Used
23	0.5 BK	2755	Low Reference
24	0.5 PU/WH	2530	Fuel Pressure Regulator Solenoid Supply Voltage
25	1 PK	5425	Fuel Injector Supply Voltage 4
26	1 YE/BK	846	Fuel Injector 6 Control
27	1 PK/BK	1746	Fuel Injector 3 Control
28	--	--	Not Used
29	--	--	Not Used
30	0.5 OG/BK	2919	Low Reference
31-32	--	--	Not Used
33	0.5 GY/BK	2931	Low Reference
34	--	--	Not Used
35	0.5 YE/BK	6055	Low Reference
36	0.5 TN	2752	Low Reference
37	0.5 GY	2702	5-Volt Reference 3
38	0.5 TN	1274	5-Volt Reference 2
39	0.5 TN	2917	5-Volt Reference 2
40	0.5 PU/WH	6270	5-Volt Reference 1
41	0.5 D-BU	6259	5-Volt Reference 1
42	0.5 TN	472	IAT Sensor Signal
43	0.5 D-BU	6053	DPF Sensor Signal
44	0.5 TN/WH	331	Oil Pressure Sensor Signal
45	0.5 L-GN	2032	ECT Sensor Signal
46	--	--	Not Used
47	0.5 TN	2761	Low Reference
48	0.5 D-BU	5930	Turbocharger Vane Position Control Solenoid Valve Control
49	1 PU	5423	Fuel Injector Supply Voltage 3
50	1 TN/WH	845	Fuel Injector 5 Control
51	1 L-BU/BK	844	Fuel Injector 4 Control
52	--	--	Not Used
53	0.5 YE/BK	6120	Low Reference
54-55	--	--	Not Used
56	0.5 D-BU/WH	6265	CMP Sensor Signal
57	0.5 GY/BK	1694	4WD Low Signal (NQG/NP2)
58-61	--	--	Not Used
62	0.5 TN	2760	Low Reference
63	0.5 OG/BK	5929	Low Reference
64	0.5 L-BU/BK	6813	Low Reference
65	0.5 L-BU	6118	Air Temperature Sensor Signal
66	0.35 PU/WH	7584	Not Used
67	0.5 BN/WH	5763	EGR Valve Sensor Signal
68	0.5 YE	410	ECT Sensor Signal
69	0.5 D-BU	5277	Exhaust Gas Temperature Sensor
70	0.5 BN	6782	Low Reference
71	0.5 YE/BK	625	Starter Enable Relay Control
72	0.5 YE	2834	Fuel Pressure Regulator Solenoid Control
73	1 YE	5422	Fuel Injector Supply Voltage 2
74	1 TN	1744	Fuel Injector 1 Control
75	1 L-GN/BK	1745	Fuel Injector 2 Control
76	0.5 PK	1339	Ignition 1 Voltage
77	0.5 RD/WH	440	Battery Positive Voltage
78	0.5 PU	1272	Low Reference
79	0.5 WH/BK	6271	CKP Sensor Signal
80-81	--	--	Not Used
82	0.5 TN/WH	1695	Axle Switch Signal (NQG/NP2)
83	0.5 L-BU/WH	6311	TCC Brake Signal
84	0.5 D-GN/WH	6142	Power Take Off Engine Shutdown Signal (PTO)
85	0.5 YE/BK	508	Water In Fuel Indicator Control
86	0.5 TN	2753	Low Reference
87	0.5 GY/BK	5765	Fuel Filter Pressure Switch Signal
88	0.5 BN	6266	Low Reference
89	--	--	Not Used
90	0.35 D-BU	7583	Not Used
91	0.5 D-GN	485	TP Sensor Signal
92	0.5 YE	2918	FRP Sensor Signal
93	0.5 L-BU	5377	Exhaust Gas Temperature Sensor
94	0.5 BN/WH	6783	Low Reference
95	0.35 BN	6274	Not Used
96	0.5 WH	5931	Low Reference

Engine Control Module (ECM) X2

Connector Part Information

OEM: 15462694
Service: 88988935
Description: 58-Way F Mixed Series Sealed (BK)

Terminal Part Information

Pins: 1-6
Terminal/Tray: 1928498059/24
Core/Insulation Crimp: 2/5
Release Tool/Test Probe: J-38125-561/J-35616-35 (PU)

Pins: 7-8, 12-13, 15-16, 19-21, 27, 29-31, 33-34, 36, 38-39, 44-50, 52, 54, 56-57
Terminal/Tray: 1928498135/19
Core/Insulation Crimp: J/J
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Engine Control Module (ECM) X2

Pin	Wire Color	Circuit No.	Function
1	2 PK	1439	Ignition 1 Voltage
2	2 BK/WH	451	Ground
3	2 PK	1439	Ignition 1 Voltage
4	2 BK/WH	451	Ground
5	2 PK	1439	Ignition 1 Voltage
6	2 BK/WH	451	Ground
7	0.8 BN	582	Motor Control - 2
8	0.8 BN	25	Charge Indicator Control
9-11	--	--	Not Used
12	0.5 D-GN/WH	465	Fuel Pump Relay Control
13	0.5 TN	5514	Low Reference (CJ2/C67)
14	--	--	Not Used
15	0.5 WH/BK	1164	5-Volt Reference 3
16	0.5 D-BU	507	Wait to Start Indicator Control
17-18	--	--	Not Used
19	0.5 YE	5991	Powertrain Relay Coil Control
20	0.8 YE	581	Motor Control - 1
21	0.5 PK	439	Ignition 1 Voltage
22-26	--	--	Not Used
27	0.5 GY	2700	5-Volt Reference 2 (CJ2/C67)
28	--	--	Not Used
29	0.5 BN	1271	Low Reference
30	0.5 BN/WH	419	MIL Control
31	0.5 D-GN/WH	459	A/C Compressor Clutch Relay Control (CJ2/C67)
32	--	--	Not Used
33	0.5 OG/BK	5764	Exhaust Gas Recirculation Valve Motor High Signal
34	0.5 TN/BK	6049	Low Reference
35	0.5 OG/BK	380	A/C Refrigerant Pressure Sensor Signal (CJ2/C67)
36	0.5 PU	1589	Fuel Level Sensor Signal
37	--	--	Not Used
38	0.8 GY	23	Generator Field Duty Cycle Signal
39	0.5 OG/BK	1786	Park/Neutral Signal
40-43	--	--	Not Used
44	0.5 TN	2501	High Speed GMLAN Serial Data Bus (-)
45	0.5 OG/BK	6399	VSS High Signal
46	0.5 L-GN/BK	5746	EGR Valve Motor Low Control
47	0.5 BN	6062	Low Reference
48	0.5 YE	1578	Fuel Temperature Sensor Signal
49	0.5 D-BU	1161	APP Sensor 1 Signal
50	0.5 L-BU/WH	1937	Secondary Fuel Level Sensor Signal
51	--	--	Not Used
52	0.35 WH	6275	Not Used
53	--	--	Not Used
54	0.5 YE/BK	1827	Vehicle Speed Signal
55	--	--	Not Used
56	0.5 D-BU	5985	Accessory Wakeup Serial Data
57	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
58	--	--	Not Used