I have a super cub with four 18 gallon wing tanks, the outboard tanks have electric gauges. I am still researching the installation and was told the outboard tanks are out of a Pacer. Do Pacers have electric gauges? The outboard tanks look just like an inboard but have a place for the sending unit/float that attaches with five 10/32 screws. The gauges and sending unit are both made by AC but no part numbers on them. I need to find a source to buy 2 sending units and 2 gauges. Any ideas?