Need help with 12v fuse panel and wiring update - Page 2 - Fiberglass RV

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Old 03-27-2011, 08:08 AM   #15
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to make a common ground you could use the trailer frame, and run a ground from your battery to the frame, then a wire from each appliance to the frame, or you could run a large ground wire inside the trailer then connect each appliance to it.
Most people elect to run two wires to each device because it may eliminate problems later on like bad connections at the frame. I used a short piece of ground buss bar to make a common point for all of my ground wires and have had no problems so far.

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Old 03-27-2011, 10:50 AM   #16
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Trailer: Two 13 ft Bolers and one 17 ft Boler
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This happens to be a fuse-block that does have a grounding bus-bar.

However, since your fuse-block does not have a grounding bus-bar, you can install something similar to my old system which I point out towards the end of this video.

I attached a heavy 6 gauge green grounding wire directly to the frame of my trailer by drilling a hole in a non-structural part of the frame. Grind this area to bare metal, apply dielectric grease, and then bolt the grounding wire to this point.

This grounding cable is then run up inside the trailer to a common grounding busbar with multiple attachment points. All your appliances can then be grounded at this one common point.

I also have a separate grounding cable that runs from battery negative to an attachment point on the frame.

Ignore the references to the shunt and battery monitor information as this does not apply in your case.

YouTube - Fuseblock Connections_0001.wmv

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