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Home >> Cadillac >> 2007 >> CTS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 915 (Wiring Systems And Power Management - A/C Compressor Clutch Through Generator X2) >> Engine Coolant Temperature (ECT) Sensor (LC3 or LH2)

Engine Coolant Temperature (ECT) Sensor (LC3 or LH2)

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Coolant Temperature (ECT) Sensor (LC3 or LH2) Connector End View
GM655692Courtesy of GENERAL MOTORS CORP.
Engine Coolant Temperature (ECT) Sensor (LC3 or LH2)

Pin Wire Circuit Function
A 0.5 YE 410 ECT Sensor Signal
B 0.5 TN 2761 Low Reference
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: See Terminal Repair Kit
  • Release Tool/Test Probe: 12180559-1/J-35616-2A (GY)
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