Need Help

[Fastest302]

hey guya i have airfuek guageand i needed to kno which wirei need to connect from the o2 sensor for my fox...

[gtstangbang]

Not sure on the color but you want the signal wire. I think if you probe with a voltage meter, it's going to be the wire that fluctuates between 0-1volts with the egine running. I think that's right and hope it makes sense