Wired my fuel gauge(old gauge but it works) and noticed that it reads empty with the key off(good, powered when ignition is on), level in tank when key is on(again good), and somewhere between empty and the real level in tank when I put the boat in gear. Take the boat out of gear and gauge will move back up to level in the tank. I guess maybe need to make sure the gauge is independant of any other gauges or systems. Maybe wire it directly from the battery switch(dont have one yet but will install). Any thoughts