hi everyone i have an ABI Viceroy I have just fitted a zig dcu 15 charging unit when the connect the battery after about 1 minute the wiring gets very hot so I disconnected it I tried the mains connection and the lights do not work but do when I do connect the battery evrerything works I have followed all instructions regarding the fitting ane wiring but can not phathom what could be causing the problem the battery is a new battery and I have used it once before in my last caravan need to get this sorted a.s.a.p. as going away in a couple of weeks but don't know which way to turn all advice will be greatfully received many thanks