I have one of your brackets that I didn't use. $5000 + shipping and it's yours. It's super rare and an out of production collectors item, so no lowballing. I know what I got.
I haven't had this problem in the Bronco yet, but have in past Jeeps. I used a 12v window defroster that plugs into the cigarette outlet and sits on the dash. I picked it up at a truck stop decades ago, but the jungle website has a few iterations of the same...