[Tiara Convertible] Fresh water level guage

[dharcq]

I have a 1988 36 convertible and need help with the fresh water level gauge. First off how is it turned on? 

Thanks for your help

David

[Uhehner]

I have a 1988 36 convertible and need help with the fresh water level gauge. First off how is it turned on? 

Thanks for your help

David

Comes on with the water pump switch. The sender is in the aft end of the water tank.  Try hitting the top of the tank, the float may be stuck. 
Capt.  George

[Sans Peur]

Also check the connections on the tank. Alot of times they get corrosion on them and lose connectivity. Especially look at the ground.