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Oxygen (O2) Sensor (L79)

Fig 1: Oxygen (O2) Sensor Connector End View (L79)
GM309480Courtesy of GENERAL MOTORS CORP.
Oxygen (O2) Sensor Connector Terminal Identification (L79)

Pin Wire Circuit Function
A 0.5 GY 1653 Oxygen (O2) Sensor Signal
B 0.5 D-GN/RD 1665 Oxygen (O2) Sensor Low Reference
Connector Part Information 
  • OEM: PED 12010501
  • Description: 2-Way F Weather Pack Tower, Sealed (BK)
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