Engine Coolant Temperature (ECT) Sensor

Fig 1: Engine Coolant Temperature (ECT) Sensor Connector

Courtesy of GENERAL MOTORS CORP.

Engine Controls Connector End Views

Connector Part Information  OEM: 15449028 Service: 88987978 Description: 2-Way F 150 GT Series Sealed (BK)

Terminal Part Information  Pins: Terminal: Core/Insulation Crimp: Release Tool/Test Probe:

Engine Coolant Temperature (ECT) Sensor

Pin	Wire Color	Circuit No.	Function
A	TN	2761	Coolant Temperature Sensor Low Reference
B	YE	410	Engine Coolant Temperature Sensor Signal