LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1917 (Wiring Systems And Power Management - Component Connector End Views Part 2) >> Engine Coolant Temperature (ECT) Sensor (Diesel)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Coolant Temperature (ECT) Sensor (Diesel)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Coolant Temperature (ECT) Sensor (Diesel) Connector End View
GM655692Courtesy of GENERAL MOTORS CORP.
Engine Coolant Temperature (ECT) Sensor (Diesel)

Pin Wire Circuit Function
A 0.5 TN IC47 Low Reference
B 0.5 YE IC41 ECT Sensor Signal
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)