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Home >> GMC >> 2007 >> Sierra Classic 1500 HD, RWD >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views - Engine Control Module, Engine Controls, Engine Electrical >> Engine Controls Connector End Views (6.6L LMM) >> Engine Coolant Temperature (ECT) Sensor 2 Connector End View
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Engine Coolant Temperature (ECT) Sensor 2 Connector End View

Fig 1: Engine Coolant Temperature (ECT) Sensor 2 Connector End View
GM1548270Courtesy of GENERAL MOTORS CORP.
Engine Coolant Temperature (ECT) Sensor 2 Connector Parts Information

Connector Part Information 
  • OEM: 15487232
  • Service: 88987993
  • Description: 2-Way F GT 150 Series Sealed (GY)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Engine Coolant Temperature (ECT) Sensor 2 Connector Terminal Identification

Pin Wire Color Circuit No. Function
A 0.5 L-BU/BK IC51 Low Reference
B 0.5 L-GN IC50 ECT Sensor Signal
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