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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Electrical Component Locations >> Component Locations & Connector End Views >> Component Connector End Views >> Engine Coolant Temperature (ECT) Sensor (LLR)
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Engine Coolant Temperature (ECT) Sensor (LLR)

Fig 1: Engine Coolant Temperature (ECT) Sensor (LLR) Connector End View
GM523630Courtesy of GENERAL MOTORS CORP.
Engine Coolant Temperature (ECT) Sensor (LLR)

Pin Wire Circuit Function
A 0.35 BK 2761 Low Reference
B 0.35 YE 410 ECT Sensor Signal
Connector Part Information 
  • OEM: 15326801
  • Service: 15306156
  • Description: 2-Way F GT 150 Series, Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)


Fig 1: Engine Coolant Temperature (ECT) Sensor (LLR) Connector End View
GM1519475Courtesy of GENERAL MOTORS CORP.
Engine Oil Pressure (EOP) Sensor (LH8)

Pin Wire Circuit Function
1 BK 2755 Low Reference
2 GY 2705 5-Volt Reference
3 TN/WH 331 Oil Pressure Sensor Signal
Connector Part Information 
  • OEM: 15477863
  • Service: 88988301
  • Description: 3-Way F GT 150 Series Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)