Replacing ACDC Fridge With a 12V DC

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Looking for a second opinion on replacing a dead Norcold DE0051(ACDC) with an OFF indelB CR65(12V DC). The dimensions allow but I'm wondering about hooking it up. I have a Pleasure Way Traverse and the system has an Intel Power 9100 series 120V AC to 12V DC power converter/battery charger in it. Has anyone done this that could advise? I've read the threads and the consensus seems to be that there isn't a need for ACDC but I want to make sure before purchasing.

Since the dead one is installed as ACDC what modifications will I have to make to get this done right?

Appreciate any opinions...

Thanks!

Side note: Truckfridge now has another brand for camper, van and motorhome, OFF IndelB.