How many of us are there? Owners of Dodge based RV's?

Griff in Fairbanks wrote:

Check your gas mileage when running the fridge on 12v versus not. You may be surprised.

I assume you mean that the gas milage would go down due to higher draw on the alternator? What kind of difference are we talking?

I havent looked at the fridge in my brougham yet. But I would like to be able to run it on 12V while driving.