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B52A Heated Oxygen Sensor 1 (LUW)

GM816173Courtesy of
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13122327
  • Service Connector: 88952839
  • Description: 4-Way M 2.8 Series, Sealed (BK)
Terminal Part Information
  • Terminated Lead: 13582181
  • Release Tool: J-38125-36
  • Diagnostic Test Probe: J-35616-5 (PU)
  • Terminal/Tray: 1-962915-3/15
  • Core/Insulation Crimp: E/1
B52A Heated Oxygen Sensor 1 (LUW)

Pin Wire Circuit Function
1 0.75 VT/BU 5293 Powertrain Main Relay Fused Supply (4)
2 0.75 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (1)
3 0.5 YE/BN 1664 Heated Oxygen Sensor Low Signal Bank 1 Sensor (1)
4 0.5 GN 1665 Heated Oxygen Sensor High Signal Bank 1 Sensor (1)