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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1925 (OEM Connector End Views - Sierra & SILVERADO - Cooling System, Data Communication, Displays & Gauges, Electrical Center, Engine Control Module, Engine Controls) >> Engine Controls Connector End Views (4.3L) >> Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Connector End View
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Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Connector End View

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Connector End View
GM518981Courtesy of GENERAL MOTORS CORP.
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Connector Parts Information

Connector Part Information 
  • OEM: 12160482
  • Service: 88988598
  • Description: 4-Way F Metri-Pack 150 Series, Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-14 (GN)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Connector Terminal Identification

Pin Wire Color Circuit No. Function
A 0.5 TN 1671 HO2S Low Signal Bank 2 Sensor 2
B 0.5 PU 1670 HO2S High Signal Bank 2 Sensor 2
C 0.5 OG/WH 3223 HO2S Heater Low Control Bank 2 Sensor 2
D 0.5 PK 1539 Ignition 1 Voltage
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