Ordered some new wire and cable
Just ordered 9’ of 2/0 cable red with 3/8 on one end and 5/16 on other to panel.
866 970 3325
This will replace the cable on the nave station panel and run from there to the batteries.
Order 50’ of 10/3 wire to wire up the solar controller to the dump load (water heater element).
This will also replace the current 110 wire to the water heater from the nav station.