Anyone know why there are two pick ups on starboard freshwater tank on the hunter passage 450- 456 or where they are located

Feb 6, 2010
154
hunter passage456 kemah
There are 2 pick ups on my starboard fresh water tank..i have found one just forward of generator..there is another shown in plans and a line coming to the forward pickup..but I can't find the access to that pick up ..anyone ever located it?