I recently purchased a used 2011 gulf stream Amerilite TT, model 21MB. I had a problem with not getting any 12 V Power from the battery to the electrical panel. I found a bad 30 amp fuse in a place where it doesn't seem like there should be any fuses, between the battery and the main Power cable going into the camper. It looks to me like those fuses are not factory installed, just because there are wire nuts making the connections that are totally susceptible to the weather. The fuse holders...