gizmobuilder

Hi Guys,

Does anyone have either the pinout or wiring diagram for after-cat oxygen sensor harness? I just need to know what is heater +, heater -, signal, and signal ground. I hooked i up to my VOM and I am gettting some readings that are jumping around quite a bit and can't quite make heads or tails of it.

The four wires are colored as such:

black/yellow with grey stripes
black/white with grey stripes
black/green with grey stripes
orange/white with grey stripes

BTW I have a 99 3.2TL.

Thanks.

MotionEffects

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