Air/fuel Gauge

[T-Type85David]

THIS IS GONNA SOUND STUPID BUT WHERE DO I HOOK UP THE AIR/FUEL GAUGE??? im thinking O2 sensor?? never had this before i got it for free, autometer sport comp, digital.

 

[T-Type85David]

nevermind i knew where i was just told by my Turbo HONDA buddys somewhere else but they were messing with me, i knew it was the 02 sensor they told me the TB haha !!!!!! DAMN VTEC GUYS!!!!!! im gonna race a B16 turbo with a T3 turbonetics, never lost but i will so em what buick is all about!