i am having a problem with air leaking on tank side of my fuel pump and i was looking at it and it has 8 fittings between the filters and the pump i wanna make it more simple i looked on a few sites and all they have are the electrionic switches, i wanna keep it maunal does anyone know a good easy way to hook up dual tanks to one pump? like maybe 1 valve with a off and 2 inlets