This only happens when the A/C unit is on. There is still draining water that is exiting the drain tube in the wheel well, so it's not clogged. My concern is if it's not draining from the same place while in the shop, where is it draining now and what other water damage is there????
If the outside temperature is greater than the indoor you get condensation drips. Try to not cool or heat an Airstream too quickly.
muscularmtnman 7 months ago