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Barometric Pressure (BARO) Sensor

WARNING: This page is about a different car, the 2007 Saturn Ion Red Line. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Barometric Pressure (BARO) Sensor Connector End View
GM684840Courtesy of GENERAL MOTORS CORP.
Barometric Pressure (BARO) Sensor Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 12129946
  • Service: 88987997
  • Description: 3-Way F Metri-Pack 150 Series Sealed (GY)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Barometric Pressure (BARO) Sensor Terminal Identification

Pin Wire Color Circuit No. Function
A OG/BK 6014 Low Reference
B GY/BK 433 BARO Sensor Signal
C WH/BK 2932 5-Volt Reference
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