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Engine Coolant Temperature (ECT) Sensor

Fig 1: ECT Sensor Connector End View
GM784092Courtesy of GENERAL MOTORS CORP.
ECT Sensor Connector Part Information

Connector Part Information 
  • OEM: 15339756
  • Service: 88988963
  • Description: 2- Way F Receptacle 2.8 Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 1928498060/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-561/J-35616-4A (PU)
ECT Sensor Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 YE 410 ECT Sensor Signal
2 TN 2761 Low Reference