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Engine Coolant Temperature (ECT) Sensor (LY7)

Fig 1: Engine Coolant Temperature (ECT) Sensor (LY7) Connector End View
GM784092Courtesy of GENERAL MOTORS CORP.
Engine Coolant Temperature (ECT) Sensor (LY7)

Pin Wire Circuit Function
1 0.5 YE 410 Engine Coolant Temperature Sensor Signal
2 0.5 TN 2761 Low Reference
Connector Part Information 
  • OEM: 1928403874
  • Service: 88988963
  • Description: 2-Way F Kompakt 2.8 Series Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 1928498054/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-561/J-35616-4A (PU)
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