Can any one help just picked up above caravan on fri excellent condition one slight question pardon the sillyness this is my first caravan at the front of the caravan under the seats next to the main fuse box that you change the blade fuses in is what i can only describe as a charging unit for the electrics / battery can someone please advise are these units suppose to hum when you are running from mains elec when you unplug the elec 230v the noise stops i bought it from a very good agent it has a 12 month gold warranty the salesman says some caravans do have a noise coming from this unit is this correct please help just for peace of mind ... Regards
****Edited due to being all in upper case - please don't it looks like you are shouting - Jeff (Moderator) *******
****Edited due to being all in upper case - please don't it looks like you are shouting - Jeff (Moderator) *******