Adding fuel senders

[Miles Offshore]

Barnacle girl, welcome to the site!! What year is your boat???? Mine has two aft tanks as well but has sending units with window cover things over the sending units themselves. Reason I ask is you might have places for them in those aft tanks and just dont realize it??I cant imagine seacraraft or anyone else for that matter putting in tanks without them. Are they 55 gallon tanks??? If so then they are the same as mine and the units are approx 4 ft forward from the transom. Good luck, Craig