In the process of adding OBA and came across these. Let you put a quick connect coupler to the door strap hook. The one by JeepSwag says its made for the JK but I don't see why it wouldn't fit a TJ..
https://offroadonly.com/shop/on-boa...ouple-complete-for-jeep-wrangler-jk-and-tj-2/
https://www.jeepswag.com/jk-dual-in-cab-air-coupler-kit-22feethose
https://offroadonly.com/shop/on-boa...ouple-complete-for-jeep-wrangler-jk-and-tj-2/
https://www.jeepswag.com/jk-dual-in-cab-air-coupler-kit-22feethose