Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
... but it's definitely a "YES" for someone capable of rebuilding his winches...Sounds like a “no” for most people then.
https://www.steelsoldiers.com/showthread.php?134679-M-series-flasher-relay-civvy-conversion-how-toThere is a good write up on here on making your own flasher using a common 24 volt flasher.