H23 IACV Help!!!

Aight i got a H23 installed and they said i needed a IACV well i got the part but where exactly does it go i know on the back side of the intake manifold but where? I got my old manifold and dont see where it fits in. I got a Chiltons book and I havent seen anything showin it either just thats its on the manifold. Can someone help me with this and also the vaccum lines or where i can find this info.