Good to read that you don’t have severe injuries! I saw a photo of your car on Facebook a couple of days ago as well when it was wrapped around a pole... Good luck with the restoration or finding a new one.
Is this what you are looking for?
https://www.ebay.com/itm/71-73-MUSTANG-CONVERTIBLE-TOP-SWITCH-ASSEMBLY/361017294101?epid=572302659&hash=item540e4ebd15