2003 280DA Twins Fuel Sending unit

Hello, anyone know where the fuel sending unit on 2003 280DA Twins ? Current shop can't locate where the fuel sensor is and gauge isn't working. It has Moeller Marine tank. I have looked everywhere in engine room and can't find where the sending unit would be on top of the tank.

If you have picture to share, I greatly appreciate it.

Is it under the mid cabin cushions?

Yep, under the middle cushion in the Mid-Cabin. There is a plastic access panel with 4 phillips head screws, and under that gives direct access to the sending unit.