1995 millenia, miller motor, supercharged.

hey I'm having a problem identifying a vacuum part. It is on the firewall, passenger side. When I purchased the car it had nothing attached on one side and it is a open vacuum leak. One side is directly atached to the ABV solonoid valve. The othe side goes to?????. any help please?
hope these pics work

haven't had any luck with the local dealerships [align=right][/align]