Oli_94

i have bought a Auto Gauge Boost gauge and i have tried to install it in the car but i dont really know where to get the Vaucuum/pressure hose to gauge i tried to hook it up to a small house that comes out of the intake maifould but it does not work the gauge only goes down to about -0,7 bar and i is supposed to go to about +0,6 bar and i like to somone to help me to get de pressure from the right place. and get it to work. thanks in advance.