I am guessing it would be pretty easy to hook one up.
In my case, I would just hook up a couple relays that could reverse a 2 wire DC motor and any old jog switch or similar would work. Hook it directly to the wires feeding the auto pilot pump.
I would probably have a 2 position switch to select between AP and lever just in case the AP didn't like to be back fed by the lever voltage.
I am guessing it would be pretty easy to hook one up.
In my case, I would just hook up a couple relays that could reverse a 2 wire DC motor and any old jog switch or similar would work. Hook it directly to the wires feeding the auto pilot pump.
In my case I would probably fry the entire AP in the process. I am not an initiate into the arcane mysteries of the Gods electronic.