Engine Control Module (ECM) Connector End View C1

Fig 1: Connector End Views

Courtesy of GENERAL MOTORS CORP.

Engine Control Module (ECM) Connector End Views

Connector Part Information  OEM: 15492335 Service: See Catalog Description: 56-Way F (BK w/BU Center)

Terminal Part Information  Pins: 7, 20 Terminal/Tray: 33467-0005/23 Core/Insulation Crimp: J/J Release Tool/Test Probe: J-38125-213/J-35616-64A (L-BU) Pins: 9, 12, 13, 18, 19, 26, 31, 32, 33, 34, 35, 36, 37, 40, 44, 46, 47, 48, 49, 53, 54, 55 Terminal/Tray: 33467-0003/23 Core/Insulation Crimp: H/H Release Tool/Test Probe: J-38125-213/J-35616-64A (L-BU)

Engine Control Module (ECM) C1

Pin	Wire Color	Circuit No.	Function
1-6	-	-	Not Used
7	WH	17	Stop Lamp Switch Signal
8	-	-	Not Used
9	TN	2759	Low Reference
10-11	-	-	Not Used
12	BN/WH	419	MIL Control
13	D-GN/WH	465	Fuel Pump Relay Control [- Primary]
14-17	-	-	Not Used
18	D-BU	5985	Accessory Wake Up Serial Data
19	PK	439	Ignition 1 Voltage
20	RD/WH	540	Battery Positive Voltage
21-25	-	-	Not Used
26	YE	447	Starter Relay Coil Control
27-32	-	-	Not Used
33	WH/BK	1164	5-Volt Reference
34	GY	2709	5-Volt Reference
35	TN	1274	5-Volt Reference
36	BN	1271	Low Reference
37	PU	1272	Low Reference
38-39	-	-	Not Used
40	BN	5069	Main Relay Control
41-43	-	-	Not Used
44	PU	30	Fuel Level Sensor Signal
45-46	-	-	Not Used
47	D-BU	1161	APP Sensor 1 Signal
48	D-GN	890	Fuel Tank Pressure Sensor Signal
49	L-BU	1162	APP Sensor 2 Signal
50-52	-	-	Not Used
53	D-GN/WH	459	A/C Compressor Clutch Relay Control
54	D-BU	473	High Speed Cooling Fan Relay Control
55	WH	1310	EVAP Canister Vent Solenoid Control
56	-	-	Not Used