I was asked by a few people to show how I did my secondary tank on the big girl. The tank and rack was made by some kids in welding class. The teacher I know very well and trust him. When I bought her 4.5 years ago, we had some plumping for it but the family (owner died) could not find the tank. So I had another one built and a new rack for it. This is the back of the bike and my Man Cave where all the magic happens. Magic in that the beer always disappears!!

This is under the air box. After this pic was taken this AM, I installed that Dan Marco.

This is just a little bit farther back. The top of the TEE goes to the back and the secondary tank. the left goes to the petco and main tank. Right to engine.

This on the left side and where the top of the tee in the previous pic comes out. I use to have that regulaltor on the back but moved it up front.

This is the fuel line. When the seat comes on, it just fits under there. Snug fit but not tight. I have a mustang seat but when I had the standard seat it fit too.

This is the rear. Again the line will mostly be under the seat and the rest is zip tighted up to the side. Another Dan Marco that I just install. I use to have a manual value up front but go tired of turning it on and off and at times forgetting about it. So when I switched from second tank to the main tank, the fuel would drain back. Now I just hit a switch to open or close. After that there is a fuel filter and then wraps to a fuel pump under there. When the tank is full, I don't need it but when it gets about 1/3 full and I am doing over 60, I will have to turn the pump on. Again, another switch on the handlebars.

Under the rack and tank. Fuel pump and filter is there.

This is the rack that was made by the kids in welding class. I like it. I added the rubber and edge protectors. It is really really snug in there BUT when it gets empty, it still moves up slightly. So I have two elastic bands that go over the whole thing. You see one in the picture but I want to do something different.

This is how the rack it attached. 4 bolts on each side in the trailer hitch. Yes I did not like that but it works.

Oh, I put extra lights on the rack too. I connected that via the trailer wiring.
I hope this helps someone. If any questions just ask.