I was thinking it was a ground as well but after blowing the fuse a few times trying to figure it out. I went to the front side marker lamp and removed the bulb. It works fine now, I don't know why but it fixed it. I put an led bulb in the front side marker and that worked and didn't mess up the trailer lights. Thank God for the idea to remove that bulb because I won't have thought that could do that.


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