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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Component Locations & Component Connector End Views) >> Component Connector End Views >> Engine Coolant Temperature (ECT) Sensor (LY7)

Engine Coolant Temperature (ECT) Sensor (LY7)

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Coolant Temperature (ECT) Sensor (LY7) Connector End View
GM784092Courtesy of GENERAL MOTORS CORP.
Engine Coolant Temperature (ECT) Sensor (LY7)

Pin Wire Circuit Function
1 0.5 YE 410 ECT Sensor Signal
2 0.5 TN 470 Low Reference
Connector Part Information 
  • OEM: 1928403874
  • Service: 88988584
  • Description: 2-Way F (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
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