Engine Coolant Temperature (ECT) Sensor Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12162195 Service: 88987183 2-Way F Metri-Pack 150.2 Series Sealed, Pull To Seat (BK)
Pin	Wire Color	Circuit No.	Function
A	YE	410	Engine Coolant Temperature Sensor Signal
B	TN	2761	Coolant Temperature Sensor Low Reference