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: 12162195 Service: 88987993 Description: 2-Way F Metri-Pack 150.2 Series, Sealed, Pull To Seat (BK)

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

Engine Coolant Temperature (ECT) Sensor

Pin	Wire Color	Circuit No.	Function
A	YE	410	ECT Sensor Signal
B	PK	2761	Low Reference