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A/C Refrigerant Pressure Sensor

Fig 1: A/C Refrigerant Pressure Sensor Connector End View
GM258299Courtesy of GENERAL MOTORS CORP.
A/C Refrigerant Pressure Sensor

Pin Wire Circuit Function
A 0.5 BK/WH 2751 Signal Ground (LH2/LC3)
0.5 BK 452 Sensor Low Reference (LY7)
B 0.5 GY 2700 A/C Pressure Sensor 5-Volt Reference (LH2/LC3)
0.5 GY 596 5-Volt Reference (LY7)
C 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal (LH2/LC3)
0.5 RD/BK 380 A/C Refrigerant Pressure Sensor Signal (LY7)
Connector Part Information 
  • OEM: 12065287
  • Service: 12102748
  • Description: 3-Way F Metri-Pack 150 Series (BK)
Terminal Part Information 
  • Terminal/Tray: 12103881/2
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-2A (GY)