[Scott]

Thanks for all the suggestions.

Reading back I see I could have phrased my question better, but no matter because I was sent a link to Truspeed which led to what I wanted : an easy and cheap way to wire up alternative controllers.

I have a few old Parmas licking around, even a Fly, but they’ve not been used in years and I’m not sure they work. The £4 gizmo from Truspeed should easily allow me to find out.

As a safety net/balance I've also ordered another Policar set controller so I will have one for each lane on the rare occasion I get visitors keen to have a play.