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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1843 (Engine Controls And Fuel - 3.5L (L66) - Introduction (2 Of 2)) >> Component Locator >> Engine Controls Connector End Views >> Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector End Views
GM1290298Courtesy of GENERAL MOTORS CORP.
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector Parts Information

Connector Part Information 
  • OEM: 6189-0134
  • Service: See Catalog
  • Description: 8-Way F HW Series (GY)
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector Terminal Identifciation

Pin Wire Color Circuit No. Function
1 WH 6731 HO2S Pump Current - Bank 1 Sensor 1
2 GN/YE 2751 Low Reference
3 BK/WH 3113 HO2S Heater Control - Bank 1 Sensor 1
4 WH 5291 Ignition 1 Voltage
5 RD 6729 HO2S Reference Voltage - Bank 1 Sensor 1
6 D-GN 6730 HO2S Input Pump Current - Bank 1 Sensor 1
7 D-BU 6728 HO2S Low Reference - Bank 1 Sensor 1
8 - - Not Used