Connecting Battery Kills 12v System
Maybe this has been answered already, if so maybe someone can point me to the post. We're on a 3 week cross country trip with the kids in a 31' Jayco travel trailer. Had our battery system give us...
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"New question: the second set of leads to battery...I'm assuming they are for the brakes, running/tail lights? They are both black and one is fused. Any idea how to connect these? I don't want to experiment for fear of really messing something up."
There should be one pos wire for the emergency breakaway --this wire is not to be fused and goes on the trailer battery pos post.
The pos post would have two more pos wires--one from the DC fuse panel/converter, and another for the slide (which will have a fuse)
The 7-pin #4 pin connects to the trailer battery too, but is likely joined to the pos wire from the fuse panel somewhere near where that wire is fused before it goes to the pos post.
The power for the front jack(s) is also probably on that same pos wire coming from the DC panel along with the 7-pin #4 but will have its own 30 amp fuse.
If you have a solar controller, its 'batt' pos also goes on the pos post and so will the pos input to any inverter you have. Too many lugs stacked up! So use a buss bar to take the various pos lugs and one fat wire (fused) from the pos buss to the pos battery post.
There should be one pos wire for the emergency breakaway --this wire is not to be fused and goes on the trailer battery pos post.
The pos post would have two more pos wires--one from the DC fuse panel/converter, and another for the slide (which will have a fuse)
The 7-pin #4 pin connects to the trailer battery too, but is likely joined to the pos wire from the fuse panel somewhere near where that wire is fused before it goes to the pos post.
The power for the front jack(s) is also probably on that same pos wire coming from the DC panel along with the 7-pin #4 but will have its own 30 amp fuse.
If you have a solar controller, its 'batt' pos also goes on the pos post and so will the pos input to any inverter you have. Too many lugs stacked up! So use a buss bar to take the various pos lugs and one fat wire (fused) from the pos buss to the pos battery post.
