12v fridge problem.

robbie1401
robbie1401 Forum Participant Posts: 1
edited July 2014 in Caravans #1

Just bought caravan and had aux socket wired by trailer specialist. First time out had flat car battery.

Battery checked and ok, car charging ok. It seems that fridge is on when engine off and goes off when engine is started. This is oppersite of what should happen, any ideas?