Need help with hks evc IV install!

[Evil S14]

so i have this Hks EVC IV but it doesnt have any instructions. My profec B is pretty straight forward, theres an in and out for the vacuum hoses and thay are labeled. The HKS has 2 bigger nipples and one smaller one, none of which are labeled. Can anyone with experience help me out and tell me which of the 3 nipples does what

[thelinja]

I punched HKS EVC IV into google and came up with some installation sites. This (http://www.speedtoys.com/~stryder/evc4install.html) looks like a scan of the actual factory instructions. It has quite a few good, detailed diagrams.