Thanks, wing; yours is different from mine. I have not been on the ladder, but my wife tells me that the fans (2) are located about half way down between the top and bottom vent covers. They work pretty well as you can feel the heat coming out of the vent hole when they kick on. There are no wires above them, so the t/stat has to be in the same area. I found the source wire from the relay in the bottom vent and will tap in to it for power to the switch.
BTW, all the posts that I've made about installations and repairs, have been done by her. She just finished a complete buffer wax job, top to bottom, to clean up the mess that Camping World made. I supervise and help as I can, but she does most of the work.
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