Suburban water heater replaced by suburban Nautilus

Did you label the RV wires as to what went where?
What was the OLD Suburban WH Model?
RV Orange & White connected together????????
2 sources of 12VDC+///house & chassis batteries????



Nautilus
RED ----12VDC+
Black --12VDC-

Orange --12VDC+ to the LED Light
Blue ----12VDC- from LED Light to ground
*with your RV wiring probably NOT used

Grey/blue -----ODCC (On Demand Control Center) From Nautilus Circuit Board