i have a 91 xj 4.0 HO d30 disconnect :/....we bought it crashed in the front and missing a vaccum canister. i got one off a local naxja member and tried too hook it up. things im dealing with are rough idle, loss of 4x4 and a/c. anyone know where i can find a vaccum digram on the internet??? here are some pics to show you wut im left with...