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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1925 (OEM Connector End Views - Sierra & SILVERADO - Cooling System, Data Communication, Displays & Gauges, Electrical Center, Engine Control Module, Engine Controls) >> Engine Controls Connector End Views (6.6L) >> Engine Coolant Temperature (ECT) Sensor 1 Connector End View
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Engine Coolant Temperature (ECT) Sensor 1 Connector End View

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Coolant Temperature (ECT) Sensor 1 Connector End View
GM655692Courtesy of GENERAL MOTORS CORP.
Engine Coolant Temperature (ECT) Sensor 1 Connector Parts Information

Connector Part Information 
  • OEM: 12162195
  • Service: 88987993
  • Description: 2-Way F Metri-Pack 150.2 Series Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 12124075/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-14 (GN)
Engine Coolant Temperature (ECT) Sensor 1 Connector Terminal Identification

Pin Wire Color Circuit No. Function
A 0.5 TN IC47 Low Reference
B 0.5 YE IC41 ECT Sensor Signal
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