gauge help

[95gsxpimp]

I know this is a tech question but noone answered there .Im in the middle of hooking up my autometer a/f guage on my 95 gsx and i want to tap into the o2 sensor but i have no clue which wire to tap into there are 4 wires 2 black a blue and a white i see alot of people go through the ecu on here but ive always just went throught the o2 sensor which line should i be tapping into. Also i have a oil pressure gauge and i have no clue where to tap the sender into does anyone have a picture or a description of how to do this any help wouldbe much appreciated thanks

Don

 

[Sic95gst]

look at this tech article from RRE http://www.roadraceengineering.com/instructions/afmeterinstallinstructions.htm . Let me know how it goes. i'm getting ready to do mine soon.