newb question here, when running the purple wire off an autometer A/F gauge, which wire do i slpice it to in going into the o2 sensor?    don't wanna mess anything up ya know
 
need more info ie. what year what engine what model
 
        
 
sorry my bad.         03 ecotec sunfire
 
No need to bump bud. Search also this answer has be given many a times before.  And yes the wire does go to the purple wire coming out of the o2 sensor.
