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Home >> Cadillac >> 2007 >> STS V >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connector End Views >> Engine Coolant Temperature (ECT) Sensor
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Engine Coolant Temperature (ECT) Sensor

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

Connector Part Information 
  • OEM: 15449028
  • Service: 88987978
  • Description: 2-Way Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
Engine Coolant Temperature (ECT) Sensor Connector Terminal Identification

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