If your year is anything like this (My 88 and my 90 are just like this) it should help.
Rear CCV to intake manifold (one line), MAP to throttle body (one line), fuel pressure regulator to manifold (one line). Front vac harness: Large line from valve cover to air box, large line in intake tube to fuel cannister. Two small lines to manifold fitting, one to EGR solenoid then out of solenoid to EGR. One out of rear of airbox to front vac motor of airbox.
With an after market intake (K/N etc.) you only need the EGR route and the front valve cover to intake lines. The others can be eliminated or plugged at the harness connection. The other (larger fitting) towards the rear of the manifold behind the TB for th brake booster. Hope this helps you.