With my SMB build if the GFI power outlet inside the van trips, the other outlets won't work either. Does the test switch work? You can test it with a meter if you are qualified or feel comfortable working with AC voltages.
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2006 Ford 6.0PSD EB-50/E-PH SMB 4X4 Rock Crawler Trailer
Disconnect the gfi and retest your shore power. Not familiar with your system but if the gfi has a major short it could possibly keep your system from being operational.
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2002 e350 window eb,
7.3
CCV high top
Conversion in process. Lol
Denver, CO
Yes, it will shut off all the other outlets too. When I bought my first SMB the seller gave me a big discount because the AC electric system wasn’t working. When I got it home and started looking into it all I had to do was reset the GFI button and everything worked fine! [emoji119]
On my rig the GFI outlet had the battery charger plugged into it. I can't remember if the load side also fed the 110VAC loads. Mine went bad and I had to replace it.