I have an avondale chervit,91,when we where packing up at easter the metal break lead touched the connections of the gray lead that goes to the car to charge the battery. there seemed to be a bit of a spark and when i checked the caravan later nothing would work from the battery. everything seems to be working of the electric and the battery is showing full but something must have fused but i havent a clue what. i have booked to go to an non electric site soon and don't know what to do.can anyone help?