Larrie asked for more details on my one-the-road sink repair. What happened was that something was leaking so I was forced into a repair job while traveling. It turns out I missed having on demand water for the sink.
1- This hose bib fitting screwed in where the normal plastic valve for the tank was. The threading on the outside matches a barbed hose valve with barbs so it mates to the plastic tubing really easily. I might add a hose clamp here. This is easy to disconnect and then I can use the tank on a picnic table etc just like it was originally designed for. (Not pictured: The bib is also threaded on the inside and there I added a plastic barbed hose fitting and a foot of the clear tubing which reaches to the bottom of the tank).
2- Cheap "Reliance" blue portable water container we already had for drinking water. 7gallons is less than our previous sink only tank but since we can swap it for a full tank easily enough this works for our style. You can see the dent in this corner though -- so I'll be looking for a better quality tank if I like this solution.
3- Wedged in with my tool kit, jumper cables and whatever else a retaining strap is probably not necessary. But I feel better knowing the cheap tank won't shift. I don't normally look under here often.
4- I used a long stretch of clear hosing for the run to the pump. This kinks easy though so I might grab some braided line or even switch to a braided steel supply line if I see a long one. I wanted to be able to pull the tank out and do the swap on a counter where gravity helps the pump prime itself.
5- from the pump to the fixture I now have a single normal household braided steel supply line. Previously there was a mess of pex pipes and fittings back here. Something in there was what was leaking.
6- This is the old supply inlet for the RV style water tank. I'll think about what to do with this when I get home. If I don't like what I've done on the road I'll put an RV tank back in. If I like how it works then I'm considering using this hole as a good spot for an external shower. With a swappable tank I can put a black tank that has been in the sun under here and have hot water. (Or I can pour a pot of hot water into my water supply to take the chill off it).
Up top I removed the RV style fixture. I think the leak was from one of these barbed fittings but I couldn't tell if the entire thing wasn't broken. I kept this part to test when I get home although the barbs come out at such a stupid angle its really hard to work with w/o lots of cussing. And it requires two supply lines or otherwise blocking one side.... we'll see how well my metal hardware store fixture works instead. I'd like one that sticks out into the sink further but that can wait until I have better shopping options available to me.
I re-routed and replaced the melted loom. What triggered this work was an occasional glitch from the rear camera (think "bad vertical hold" a la old TV sets). I might still have that problem even after cleaning up a connector on that run. Maybe a bad ground behind the front console? Something for another day. 
(And we're enjoying the scratching -- and have the new pin stripes to prove it).
Sporty Spice
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