Air fuel Gauge. Which wire?

[1992supraman]

Im trying to hook up an air fuel gauge and I cant figure out which O2 sensor wire to splice into. Is it the white one?

 

[HommerSimpson]

yes on mine i have 2 black 1 white and its hooked to the white one......

 

[MDCmotorsports]

Its always the odd ball color on the o2...

You'll have two power, one signal. The signal will be a different color...

 

[1992supraman]

thanks.