Question on fuse size
Hello, I recently had an issue with my AC going out while we had someone sleeping in our travel trailer. After checking all of the breakers and fuses on the trailer everything was good and I realiz...
Forum Discussion
The 7.5 amp fuse may NOT be the only appliance that fuse supplies. The RVP(Coleman) wall tstats have a fuse protection on the tstat(usually 5 amp or 3 amp). Dometic AC units the fuse is in the upper control board (3 amp). So, that feed 7.5 amp fuse, I would put a 7.5 amp in it. IF it blows, find out what other 12 volt items are also dead, not just the AC unit. OR, pull the fuse and check to see what 12 volt appliances/lights have NO 12 volt power other than the Roof AC tstat system. Then determine if you need a higher amp fuse. Doug
