fuel/air ratio help

[turbobooster]

hey guys i just got myself a airfuel ratio gauge and i need help on installing this gauge properly if anyone can give me specific directions on how and where to hook up the wires too please do any info or input is welcome thanx

 

[turbobooster]

ok sp no one here has a fuel air ratio gauge?

 

[b4black]

black = ground
red = hot
purple = o2 sensor


They aren't good for sh!t. Ricers like them for the dancing lights. Use a volt meter on the O2 sensor if you want to tune by narrow band.

 

[turbobooster]

thanx for ur input b4black i wont be buying that gauge then if its not accurate and doesnt do me any good so if i use a volt meter what should it read on a stock motor wit K&N filter and 3 inch DP?