WHY is the Atwood non-functional???
Atwood GCH6A-10E dimensions
16" W X 12.5" H X 18.5" D
Dometic WH-6GEA dimensions
12.62"W X 12.62"H X 20"D
So did you get the 'conversion kit'?
Spacers and wider door panel (Dometic 94016)
Also you are doing away with the 'Heat Exchanger' ---engine coolant lines Capped off??
**Nice feature of the New Dometic is the Element has been moved to front vs backside of WH Tank
Weak link is the Thermal Fuse (blows if 190*F temp is sensed)
Thermal Fuse is sandwiched just above Combustion Chamber and Just below Exhaust Shield....they have reported failures
The Atwood OEM wiring on backside of WH Tank would have been
White---12VDC POS from on/off switch to Circuit Board for Electric
Orange...12VDC POS from on/off switch to Circuit Board for GAS
Blue-----12VDC POS from Circuit Board to on/off switch FAULT Light
The Winnebago wiring uses 3 Yellow and 1 White
3 Yellow would be the 12VDC POS used for Electric/Gas/Fault Light
1 White would be Ground/12VDC Neg
You will need to find which Yellow is for the Electric Switch
Which Yellow is for the Gas Switch
Which Yellow is for the Fault Light
Pg 10 & 11 have wiring of switch information
Wiring Diagram for the Atwood AND Dometic...use the same wiring