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Home >> Chevrolet >> 2007 >> Silverado Classic 1500 HD, 4WD >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views - Engine Control Module, Engine Controls, Engine Electrical >> Engine Controls Connector End Views (4.3L) >> Engine Coolant Temperature (ECT) Sensor Connector End View
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Engine Coolant Temperature (ECT) Sensor Connector End View

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

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)
Engine Coolant Temperature (ECT) Sensor Terminal Identification

Pin Wire Color Circuit No. Function
A BK 407 Low Reference
B YE 410 ECT Sensor Signal
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