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1998 GMC VS, ECM/Inputs/Outputs Schematic
Posted to the Waveform Library on 11/26/2003

O2 sensor circuit on Australian Vehicles - notice that the signal Low wire is earthed to the vehicle bosy/engine. The GM site on iATN doesn't show this

 

car Vehicle Data

1998 GMC VS 3.8L

Engine3.8 L / 6 cyl
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs

car Vehicle Data

1998 GMC VS 3.8L

Engine3.8 L / 6 cyl
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs