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Home >> Chevrolet >> 2006 >> Avalanche 2500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connectors >> Engine Coolant Temperature (ECT) Sensor
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Engine Coolant Temperature (ECT) Sensor

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