Engine Control Module Connector End Views. GMC Truck TopKick C-Series (Conventional) C6/C7/C8 2007

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2007 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Control Module Connector End Views

Connector 1:	Engine Control Module (ECM) C1
Connector 2:	Engine Control Module (ECM) C2

Engine Control Module (ECM) C1

Connector Part Information

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

Terminal Part Information

Pins: 1-3, 25-27, 48-51, 73-77, 96
Terminal/Tray: 1928498135/19
Core/Insulation Crimp: K/K
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 4-15, 17, 19-21, 23-24, 28, 30-31, 33-45, 47, 56-67-70, 72, 78-80, 84-86, 88, 91-94
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) C1

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	D-BU	2364	Cooling Fan Speed Signal
5	YE	492	MAF Sensor Signal
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 3
13	TN	5928	5-Volt Reference 3
14	BN/WH	6136	5-Volt Reference 2
15	GY	2705	5-Volt Reference 2
16	--	--	Not Used
17	GY	2701	5-Volt Reference 1
18	--	--	Not Used
19	L-GN	432	MAP 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	WH/BK	2366	Cooling Fan Clutch Control
29	--	--	Not Used
30	OG/BK	2919	Low Reference
31	L-BU	494	PTO Engine Kill Signal
32	--	--	Not Used
33	BK	476	Low Reference
34	D-BU	84	Cruise Control Set/Coast Switch Signal
35	YE/BK	6055	Low Reference
36	BK	2752	Low Reference
37	GY	2702	5-Volt Reference 3
38	TN	1274	5-Volt Reference 2
39	TN	2917	5-Volt Reference 2
40	PU/WH	6270	5-Volt Reference 1
41	D-BU	6259	5-Volt Reference 1
42	TN	472	IAT Sensor 1 Signal
43	D-BU/WH	6053	Exhaust Pressure Sensor Signal (1)
44	TN/WH	331	Oil Pressure Sensor Signal
45	L-GN	2032	Coolant Temperature Sensor Signal
46	--	--	Not Used
47	BK	2761	Low Reference
48	D-BU	5930	Turbocharger Vane Position Control Solenoid Valve Control
49	PU	5423	Injector Positive Voltage Control Group 3
50	BK/WH	845	Fuel Injector 5 Control
51	L-BU	844	Fuel Injector 4 Control
52	--	--	Not Used
53	YE/BK	6120	Low Reference
54-55	--	--	Not Used
56	D-BU/WH	6265	CMP Sensor Signal
57	GY/BK	1694	4WD Low Signal
58	L-GN	1478	Coolant Level Switch Signal
59	D-GN	534	High Idle Switch Signal
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	GY	596	5-Volt Reference
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	D-BU	5277	Exhaust Gas Temperature Sensor (1)
70	BN	6782	Exhaust Gas Temperature Sensor (1) Low Reference
71	--	--	Not Used
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	339	Ignition 1 Voltage
77	OG	440	Battery Positive Voltage
78	PU	1272	Low Reference
79	WH/BK	6271	CKP Sensor Signal
80	D-GN/WH	2523	A/C Request Signal
81-83	--	--	Not Used
84	L-GN	24	Backup Lamp Supply Voltage
85	YE/BK	508	Water In Fuel Indicator Control
86	BK	2753	Low Reference
87	--	--	Not Used
88	BN	6266	Low Reference
89-90	--	--	Not Used
91	D-GN	485	TP Sensor 1 Signal
92	YE	2918	FRP Sensor Signal
93	L-BU	5377	Exhaust Gas Temperature Sensor (2)
94	BN/WH	6783	Low Reference
95	--	--	Not Used
96	WH	5931	Low Reference

Engine Control Module (ECM) C2

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 (VT)

Pins: 33, 46
Terminal/Tray: 1928498135/19
Core/Insulation Crimp: K/K
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 7, 9, 11-12, 15-26, 28-32, 33, 36, 38-40, 41, 44-45, 47-50, 53-57
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) C2

Pin	Wire Color	Circuit No.	Function
1	PK	339	Ignition 1 Voltage
2	BK/WH	351	Ground
3	PK	339	Ignition 1 Voltage
4	BK/WH	351	Ground
5	PK	339	Ignition 1 Voltage
6	BK/WH	351	Ground
7	BN	582	TAC Motor Control - 2
8	--	--	Not Used
9	D-GN	1049	ECM Class 2 Serial Data
10	--	--	Not Used
11	BK/WH	1962	Exhaust Brake Solenoid Feed (K40)
12	D-GN/WH	465	Fuel Pump Relay Control - Primary
13-14	--	--	Not Used
15	WH/BK	1164	5-Volt Reference 3
16	D-BU	507	Wait to Start Indicator Control
17	RD	2013	High Idle Indicator Control
18	PU	2562	PTO Control
19	GY	2219	IGN B Relay Control
20	YE	581	TAC Motor Control - 1
21	PK	439	Ignition 1 Voltage
22	L-BU	1320	Stop Lamp Supply Voltage
23	BN	25	Charge Indicator Control
24	BN	2524	Generator 2 Turn On Signal (K65)
25	D-GN	603	A/C Low Pressure Switch Signal
26	BN/WH	6141	Low Reference
27	--	--	Not Used
28	GY	2365	5-Volt Reference 1
29	BN	1271	Low Reference
30	BN/WH	419	MIL Control
31	D-GN/WH	459	A/C Compressor Clutch Relay Control
32	YE	447	Starter Relay Coil Control
33	OG/BK	5764	EGR Motor High Control
34	BK	470	Low Reference
35	--	--	Not Used
36	PU	1589	Fuel Level Sensor Signal - Primary
37	--	--	Not Used
38	GY	23	Generator Field Duty Cycle Signal
39	OG/BK	1786	Park/Neutral Signal (Automatic Transmission)
40	PU	420	TCC Brake Switch/Cruise Control Release Signal
41	--	--	Not Used
42	D-GN/WH	817	Vehicle Speed Signal
43	--	--	Not Used
44	TN	6106	High Speed GMLAN Serial Data Bus-
45	L-BU/BK	2221	Signal High - Rear
46	L-GN/BK	5746	EGR Motor Low Control
47	BN	6062	Low Reference
48	YE	1578	Fuel Temperature Signal
49	D-BU	1161	APP Sensor 1 Signal
50	D-BU	1936	Fuel Level Sensor Signal - Secondary
51-52	--	--	Not Used
53	L-GN	2081	Engine Exhaust Brake Switch Control
54	YE/BK	1827	Vehicle Speed Signal
55	WH	121	Engine Speed Signal
56	PK	1020	Ignition 0 Voltage
57	TN/WH	6105	High Speed GMLAN Serial Data Bus+
58	--	--	Not Used