need help with vacuum lines in dash.

[1991fordexploder]

i finally got my a/c system back in and working, but now i dont have vacuum to the dash. and i cant find the vacuum lines going to and through the firewall for the hvac controls.

any help would be greatly appreciated. thanks in advance guys.

 

[1991fordexploder]

any body????

 

[4X50 Exploder]

Pass side right up behind your computer module