[Quikshft]

As far as switching the tanks goes, this is what took me the longest to figure out. I used a simple valve, one wire leads to it so when energized the solenoid is shifted to draw from the aux tank. When de-energized it will draw from the main tank. (behind the seat) The switch is a 'double pole, double throw' unit and as far as I can tell is pretty much made for switching between a pair of tanks like this. Got these items on ebay. Also including an image of how the wires connect to the switch. I am not by any means an electrical genius but I was able to get this working.