I started to take it apart -- I hooked up the center vent control unit to the vac fitting on the recir switch to test it -- IT WORKED -- thank God!
So the problem must be with:
1. defrost unit -- car must have two - I can only see one -- does any one know!!
does it have a shaft connecting the two.
2. the unit where all the vac hoses goes to is bad -- I see some relays on top also -- do not know what they do!
I have an old pushbutton unit - put that in -- no change -- so my pushbutton is OK
Does any one know how I get the service CD that steve talked about