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Home >> Cadillac >> 2006 >> Escalade AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 783 (Engine Control System - 8.1L - Introduction (2 Of 2)) >> Component Locator >> Engine Controls Connectors >> Engine Coolant Temperature (ECT) Sensor

Engine Coolant Temperature (ECT) Sensor

WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Coolant Temperature (ECT) Sensor Connector View
GM655807Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

Connector Part Information 
  • OEM: 15324589
  • Service: 88986264
  • Description: 3-Way F Metri-Pack 150 Series Sealed (GY)
Engine Coolant Temperature (ECT) Sensor

Pin Wire Color Circuit No. Function
A BK 407 Low Reference
B YE 410 ECT Sensor Signal
C - - Not Used