What a tit ,was messing about looking. For a 12volt connection and seem to have blown a fuse this fuse is the one that allows the van to work on 240 volt everything is working on 12 volt and gas but the fridge the heater and the lessure batt are not working, in the manual it says the it could be a diverter ne 274 fuse but it don’t tell you where to find it in any of the manuals any help please .rollerteam 740 t line