Oxygen Sensor Wiring Harness Diagram
Oxygen Sensor Wiring Harness Diagram. Bank one is left side. I am not sure it it applies to yours but it is something you can monitor at the ecu end. WIRING HARNESS/OXYGEN SENSOR from parts.nalleygmc.com Attached is the diagram for 1998 e320 ecu. Bank one is left side. Once you have the upstream silverado o2 […]