Hello all, So last Tuesday there was an electrical storm that hit our campground. A lightning bolt struck a tree about 25 feet from my camper and sent a power surge to multiple campers around me. (...
Your charging system is either shot or you have an open fuse etc. Get a battery charger on that battery asap and until you get the main system repaired. Any automatic battery charger is fine to go right on the battery. Get 5+ amps rated and 10+ is much better.
Need to get a solid 12 volts in the RV before you even start testing other equipment.