Engine Control Module Connector End Views. GMC Truck TopKick C-Series (Conventional) C4/C5 2007

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2007 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L (LBZ and LLY) 🢒 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

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

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
4-5	--	--	Not Used
6	OG/BK	469	Low Reference
7	PU	806	Crank Voltage (Automatic Transmission)
7	D-GN	1433	Clutch Start Switch Signal (Manual Transmission)
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	--	--	Not Used
15	GY	2705	5-Volt Reference 2
16-17	--	--	Not Used
18	YE	492	MAF Sensor Signal
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
28-29	--	--	Not Used
30	OG/BK	2919	Low Reference
31	L-BU	494	PTO Engine Kill Signal
32	BN/WH	379	CPP Switch Signal (Manual Transmission)
33	--	--	Not Used
34	D-BU	84	Cruise Control Set/Coast Switch Signal
35-36	--	--	Not Used
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	--	--	Not Used
44	TN/WH	331	Oil Pressure Sensor Signal
45-46	--	--	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	--	--	Not Used
55	BK	476	Low Reference
56	D-BU/WH	6265	CMP Sensor Signal
57	GY/BK	1694	4WD Low Signal (NP1)
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	--	--	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
69-71	--	--	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	762	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
89-91	--	--	Not Used
92	YE	2918	FRP Sensor Signal
93-95	--	--	Not Used
96	WH	5931	Turbocharger Vane Position Control Solenoid Valve 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: C/5
Release Tool/Test Probe: J-38125-561/J-35616-4A (PU)

Terminal/Tray: 1928498135/19
Core/Insulation Crimp: Pins 11-12, 17, 19-21, 23-24, 32-33, 36-39, 45-46, 53-54, 56, 58 - See Terminal Repair Kit
Core/Insulation Crimp: Pins 9, 15-16, 18, 22, 25, 29-31, 34, 40, 42, 44, 47-50, 55, 57 - P/P
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
7-8	--	--	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	--	--	Not Used
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
26-28	--	--	Not Used
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	YE/BK	2221	Signal High - Rear (Automatic Transmission)
45	L-BU	2221	Signal High - Rear (Manual Transmission)
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	D-GN	2222	Signal Low - Rear (Manual Transmission)