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Engine Coolant Temperature (ECT) Sensor (LS4)

Fig 1: Engine Coolant Temperature (ECT) Sensor (LS4) Connector End View
GM1538760Courtesy of GENERAL MOTORS CORP.
Engine Coolant Temperature (ECT) Sensor (LS4)

Pin Wire Color Circuit No. Function
A 0.35 BK 2761 Low Reference
B 0.35 YE 410 ECT Sensor Signal
Connector Part Information 
  • OEM: 15449028
  • Service: 88987978
  • Description: 2-Way F GT 150 Series Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
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