Do your solenoids look like this ?
Ford describes these as "normally open solenoids valves with vent".
When de-energized the valve should pass air.
When energized the top port is blocked off and the bottom port is vented to atmosphere.
Determine which port does what in stead of going by top or bottom.
You want the port that gets "blocked off" connected to the vacuum "source".
The port that gets vented to atmosphere connects to the "device" (the dump valve or diverter valve).
Do you have the original emissions label under the hood to go by ? Maybe Ford changed this from '83 to '85 ?
Anyway, on my '83, the thermactor system, EGR valve and charcoal canister purge systems all run off carburetor "EGR" vacuum port.
None of them are connected to manifold vacuum.
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