I wrote to Tosten and received this answer.
"If you are wiring duel controls you will need the cs-8 with out relays and one external deck. I install the one in the grip so if you are only using one
grip for trim is makes it easier to wire up."
I'm afraid I didn't understand everything. Does this mean that I need an external relay (relay deck)? Above, Craigvince wrote the opposite. If I can go with internal or external, I will need two CS-8 with built in relays. I understand this is good for wiring, but is it also good for further repair?
Thanks.
Camillo