A/C Refrigerant Pressure Sensor

2008 Pontiac Grand Prix BaseSECTION A/C Refrigerant Pressure Sensor
WARNING: This page is about a different car, the 2008 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: A/C Refrigerant Pressure Sensor Connector
GM1581660Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: 15397149
  • Service: 88988301
  • Description: 3-Way F GT 150 Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
Pin Wire Circuit Function
1 0.5 TN 5514 Low Reference
2 0.5 GY 2700 5-Volt Reference
3 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
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.