had to re wire my car trailer lights due to the old converter box not working. put all new wires and converter box in, tested them with a light tester. they all work right. problem is , hooked up to the camoer, the lights do not come on. does the camper need to be hooked up to the hitch to work? is there a switch or fuse in the camper? ahhhhh my brain is fried. need help. also does it have to be down for lights to come on?
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