LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2006 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - 4.8L, 5.3L, And 6.0L - 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
GM900247Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector parts Information

Connector Part Information 
  • OEM: 15449028
  • Service: 88987978
  • Description: 2-Way F GT 150 Series Sealed (BK)
Engine Coolant Temperature (ECT) Sensor

Pin Wire Color Circuit No. Function
A BK 407 Low Reference
B YE 410 ECT Sensor Signal
scientia non olet · About LEMON Manuals