LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System & Fuel - 4.8L, 5.3L, 6.0L And 6.2L - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connectors >> Engine Coolant Temperature (ECT) Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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: 88987993
  • Description: 2-Way F 150 GT 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 Connector Terminal Identification

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