Hi
If you were trained by the US Army you would disconnect the positive cable. If you were trained by the US Navy you would disconnect the negative cable.
It just doesn’t make any difference so I put the fuse or disconnect switch where ever it is easiest to install.
A word of caution that really doesn’t have any relativity to the question I really recommend putting a 100 Amp fuse at the battery they are not that expensive and could save your trailer from one of the “mysterious” self igniting fires.
http://www.bluesea.com/products/5191...k_-_30_to_300A
Phil P
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2009 Montana 3665RE
2009 Duramax 3500 DRW quad cab
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