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Heated Oxygen Sensor (HO2S) 1

Fig 1: Heated Oxygen Sensor (HO2S) 1 Connector
GM474210Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

Connector Part Information 
  • OEM: 12176897
  • Service: 15305960
  • Description: 4-Way F Metri-Pack 150 Series Sealed (GY)
Terminal Part Information 
  • Pins:
  • Terminal:
  • Core/Insulation Crimp:
  • Release Tool/Test Probe:
Heated Oxygen Sensor (HO2S) 1

Pin Wire Color Circuit No. Function
A TN/WH 3111 Heated Oxygen Sensor Low Signal Bank 1 Sensor 1
B PU/WH 3110 Heated Oxygen Sensor High Signal Bank 1 Sensor 1
C GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1
D PK/BK 5291 Engine Main Relay Fused Control (2)