Have a 2003 36' Gulfstream Ultra Supreme. Never had issues with A/C's b4 & don't know anything about them? I do have an issue with the front unit now.Unit works as intended when controlled by thermost...
Thanks so much 4 Ur advice Chris. My Coach being '03, will the board I order from eBay work on a 16 yr. Old control board? U seem very knowledgeable about this? Thanks to y'all again