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A/C Refrigerant Pressure Sensor

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: A/C Refrigerant Pressure Sensor Connector End View
GM1519475Courtesy of GENERAL MOTORS CORP.
A/C Refrigerant Pressure Sensor

Pin Wire Circuit Function
1 0.5 BK/WH 2751 Signal Ground (LH2 or LC3)
0.5 TN 5514 Low Reference (LLT)
2 0.5 GY 2700 A/C Pressure Sensor 5-Volt Reference
3 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
Connector Part Information 
  • OEM: 13532244
  • Service: 88988301
  • Description: 3-Way F GT 150 Series Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 12103881/2
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-2A (GY)
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