1. MY advice is based on 38 years as an RV tech and still working
2. The SIZE gauge wire to the back of the refer is CRITICAL to 12 volt DC operation IF you do NOT have at least 8 gauge wire, then DC operation is futile.
3. WHAT size gauge wire is to the refer?
4. What Year refer is this? Does the refer have an auto ignition LP flame or do you have to manually click it to light? Doug
Look at this link. Is this your tstat?
https://www.ebay.com/itm/Dometic-2931336016-RV-Refrigerator-Thermostat-RM2453-RM2322-RM2333-/391386035328
