Superwinch are very helpful and good with parts. The Husky mentioned above came to me, little used, off a Thames boat at 24V. I bought a brand new 12v motor from Superwinch and swapped the motor over.
Clive, your winch could be converted to wireless remote and freespool. Some have kits available. If you want full control over the freespool, a four channel radio remote is best. Look at Lodar over the cheap Chinese ones as they are super reliable. They just wire into the back of the socket you plug your remote into.
You can attach a solenoid to your freespool lever. Not sure how but it has to be possible. For a two channel remote, a bit of wiring and a switch could make the freespool click back on the "winch in" button before actually operating the winch.
I appreciate all this Rich, and if my winch was anything close to being new or in newish condition, I'd certainly look into conversions.
The clutch lever, or rather gear lever, is a pull and rotate type, so a conversion to a solenoid action would have to overcome the "pull" action too somehow, which I'm sure could be arranged, but it seems a lot of faff.
Plan "B" would be to use my old winch as a carry-aboard plug-in rear winch, for the receiver, which is doable, if I get a suitable tray made up.
Then I'd have an excuse to buy a new winch for the front, with the fancy upgrades already built in

All for the sake of safety, of course

Trouble is, as always, finances don't allow at present, so it's a pipe-dream for the moment.
Where's my list....? Oh yes;
Truck
Set of 5 BFG KO2s;
New windscreen;
House
Heating system for the house extension;
Technical room to house the heating system;
2 new bathrooms for the 2 extended bedrooms;
A new kitchen;
Refurb the common bathroom;
Others....