FixVault

Engine Coolant Temperature (ECT) Sensor

Fig 1: Connector End Views
GM237066Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

Connector Part Information 
  • OEM: 12162194
  • Service: 88987978
  • Description: 2-Way F Metri-Pack 150.2 Series Sealed Pull-to-Seat (BK)

Terminal Part Information 
  • Terminal/Tray: 12124075/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-2A (GY)
Engine Coolant Temperature (ECT) Sensor

Pin Wire Color Circuit No. Function
A OG/BK 469 Low Reference
B YE 410 ECT Sensor Signal