Bigfoot mods for newer trucks
I have a 1988 bigfoot on my 2006 gmc diesel They did the mod so it fits newer trucks. We are just getting ready to leave and I checked the plumbing. The Grey and black water are tied together, now I...
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No the Grey tank ties into the same pipe as the black
But the Grey valve is uptream,so when the Grey is open the black valve stops it
But the Grey valve is uptream,so when the Grey is open the black valve stops it
