I've followed the wiring in this guide right here
http://theattack.rallysportdirect.co...r-ssubaru-brz/
but it wont work I'm not too good with wiring but I don't know where to splice the wires into. I have a prosport mechanical boost gauge here are the instructions.
http://prosportgauges.com/52mmPerfor...0Elec~mech.pdf
Where should I do the wiring into.