Ooh, yeah. Sometimes I should just keep my mouth shut. Lol
Are the two spigots connected (internally) or are they on opposite sides of the diaphragm?
I would start by testing. Disconnect both lines on the wastegate. Pressurize the spigot that goes to the manifold and see if the wastegate moves or if air blows out the other spigot.
If the wastegate moves discard or just leave the hose that goes to the stock solenoid (boost controller) disconnected and install the RJC boost controller in the line that connects to the manifold.
If air blows out the other spigot, cap it off and see if the wastegate moves.
Sorry I can't say, yeah, do it this way. Maybe we can get it figured out.