K20 Engine Control Module X1 (LH7)

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine
OEM Connector: 12685988
Service Connector: 19370822
Description: 66-Way F 0.64 MTS-B, 2.8 ATS, 6.3 Ducon Series, Sealed (BK)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool	Service Terminal	Tray Name	Core Crimp	Insulation Crimp
I	13579752	J-35616-4A (PU)	J-38125-215A	4-964286-1	Lear 16	E	1
II	13584448	J-35616-64B (LT BU)	J-38125-215A	Not Available	Not Available	Not Available	Not Available
III	13584530	J-35616-4A (PU)	J-38125-215A	4-964273-1	Yazaki 15	C	5
IV	19369848	J-35616-64B (LT BU)	J-38125-215A	Not Available	Not Available	Not Available	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	2.5	VT/BU	5290	Powertrain Main Relay Fused Supply 1	III	LH7
2	1	VT/BU	5291	Powertrain Main Relay Fused Supply 2	I	LH7
3	1	VT	5292	Powertrain Main Relay Fused Supply 3	I	LH7
4	1	RD/WH	140	Secondary Fused Battery Positive Voltage 1	I	LH7
5	6	BN/BU	104	Glow Plug Control	IV	LH7
6	6	BK/WH	451	Ground 4	IV	LH7
7	0.5	VT/YE	5985	Accessory Wake-Up Serial Data	II	LH7
8 - 9	-	-	-	Not Occupied	-	-
10	0.5	YE	5530	Hood Open Switch Signal	II	KL9+LH7
11 - 12	-	-	-	Not Occupied	-	-
13	0.5	WH/RD	1164	Accelerator Pedal Position 5 Volt Reference 1	II	LH7
14	0.5	BN/RD	1274	Accelerator Pedal Position 5V Reference 2	II	LH7
15	0.5	GN/WH	1162	Accelerator Pedal Position Signal 2	II	LH7
16	0.5	BK/VT	1272	Accelerator Pedal Position Low Reference 2	II	LH7
17	0.5	GY	17	Stop Lamp Switch Signal	II	LH7
18	0.5	BN/WH	419	Check Engine Indicator Control	II	LH7
19	0.5	GN/BN	507	Wait To Start Indicator Control	II	LH7
20	-	-	-	Not Occupied	-	-
21	0.5	YE	2928	Fuel Metering Solenoid Valve High Control	II	-
22	0.5	VT/GN	439	Run/Crank Ignition 1 Voltage 4	II	LH7
23	0.5	WH/BU	6311	Cruise/ETC/TCC Brake Signal	II	LH7
24	0.5	WH/GY	1786	Transmission Park/Neutral Signal 1	II	LH7
25	0.5	GN/WH	492	Mass Air Flow Sensor Signal	II	LH7
26	-	-	-	Not Occupied	-	-
27	0.5	BK/BU	1271	Accelerator Pedal Position Low Reference 1	II	LH7
28	0.5	YE/WH	1161	Accelerator Pedal Position Signal 1	II	LH7
29 - 32	-	-	-	Not Occupied	-	-
33	0.5	WH/GY	459	A/C Compressor Clutch Relay Control	II	LH7
34	-	-	-	Not Occupied	-	-
35	0.5	VT/WH	2022	Coolant Pump Control	II	-
36	0.5	BN/BK	2929	Fuel Metering Solenoid Valve Low Control	II	-
37	0.5	WH	7494	High Speed GMLAN Serial Data [-] 3	II	-
38	-	-	-	Not Occupied	-	-
39	0.5	WH	4499	High Speed GMLAN Serial Data [-] 7	II	LH7+NDE
40	0.5	WH	2501	High Speed GMLAN Serial Data [-] 1	II	LH7
41 - 42	-	-	-	Not Occupied	-	-
43	0.5	BK/YE	5382	Brake Position Sensor Low Reference	II	LH7
44	0.5	WH/RD	5381	Brake Position Sensor 5V Reference	II	LH7
45	0.5	WH/BU	6289	Intake Air Temperature Sensor Signal	II	LH7
46	0.5	BN/RD	2700	A/C Pressure Sensor 5V Reference	II	LH7
47	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	II	LH7
48	0.5	BK/GN	580	Engine Control Sensors Low Reference 2	II	LH7
49	0.5	GY/BK	3865	Auxiliary Heater Coolant Pump Relay Control	II	LH7
50	0.5	GN/GY	465	Fuel Pump Primary Relay Control	II	LH7
51	0.5	YE	5991	Powertrain Relay Coil Control	II	LH7
52	0.5	BU/BK	7493	High Speed GMLAN Serial Data [+] 3	II	-
53	-	-	-	Not Occupied	-	-
54	0.5	BU/BN	4498	High Speed GMLAN Serial Data [+] 7	II	LH7+NDE
55	0.5	BU	2500	High Speed GMLAN Serial Data [+] 1	II	LH7
56 - 57	-	-	-	Not Occupied	-	-
58	0.5	GN/VT	4621	Engine Control Module LIN Bus 1	II	LH7
59	0.5	WH/GN	5380	Brake Position Sensor Signal	II	LH7
60	0.5	BK/VT	2760	Intake Air Temperature Sensor Low Reference	II	LH7
61 - 63	-	-	-	Not Occupied	-	-
64	0.5	WH/GY	4578	Surge Accumulator Solenoid Valve Low Side Control	II	KL9+LH7
65	-	-	-	Not Occupied	-	-
66	0.5	YE/BK	625	Starter Enable Relay Control	II	-