Engine Coolant Temperature (ECT) Sensor

2006 Chevrolet Suburban K2500, 6.0 USECTION Engine Coolant Temperature (ECT) Sensor
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Fig 1: Engine Coolant Temperature (ECT) Sensor Connector View
GM655807Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

Connector Part Information 
  • OEM: 15324589
  • Service: 88986264
  • Description: 3-Way F Metri-Pack 150 Series Sealed (GY)
Engine Coolant Temperature (ECT) Sensor

Pin Wire Color Circuit No. Function
A BK 407 Low Reference
B YE 410 ECT Sensor Signal
C - - Not Used
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.