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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 185 (Engine Controls - 3.5L - Introduction (2 Of 2)) >> Component Locator >> Engine Controls Connectors >> Engine Coolant Temperature (ECT) Sensor

Engine Coolant Temperature (ECT) Sensor

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Coolant Temperature (ECT) Sensor Connector End View
GM237066Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

Connector Part Information 
  • OEM: 12162194
  • Service: 88987978
  • Description: 2-Way F Metri-Pack 150 Series (BK)
Terminal Part Information 
  • Terminal: 12124075/Tray 5
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Engine Coolant Temperature (ECT) Sensor

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