No fix yet, I kinda gave up as work set into full swing for me now. I can't figure it out. It doesn't make any sense to me. I can drain the system off, then recharge it and then it will work great until I get on the highway to my first gas stop (about 225 miles) then I turn off the rig to refuel and then the fuse blows. The low side then reads about 125 psi or so. I don't know what to do.