12V Inline System Fuse
On my new to me TT, there was a 12V 30A fuse near the battery tray. When I followed the 12V wiring under the trailer, I found the 12V electrical box with an additional 12V 30A fuse before the box. ...
Forum Discussion
westend wrote:
Best practices is to have circuit protection within 18' of the positive battery terminal. Someone my have upgraded that cable and followed that schedule. You only need one circuit breaker to protect the main feed from the positive battery terminal.
CORRECT and while most don't realize it many auto battery installs used to use as the first wire on the positive battery lead except for the starter a fusable link that looks just like a normal wire, but acts like a fuse. I have two of those resetable CBs on my trailer. One is for the main battery going to the converter and the other is for my slide which can draw a large current momentarily if you run the motor into the stops.
For the OP be careful about simply removing one of those since you need to make absolutely sure that they are in fact redundant and not protecting two separate items.
Larry
