A few years ago I had a faulty end on the cable that connected to my toad ... that would blow fuses ... a technician found the trouble ... he fixed the cable ... that was the end of my problem ...
As I recall one of the wires had broken and would short out ...
2012 Buick Enclave
Present At home Home: Oshkosh, WI
former owner 2004 Winnebago Journey 39W