Welcome to iRV2. The electronic part of the frig controls work from the 12 VDC (volt DC) side. The electric heater is rated for 120 VAC. IS the frig a Dometic or a Norcold?
Do you have the manuals on the frig? If not they are available online from the manufacturers. Just Google the brand and model+manual.
ken
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Amateur Radio Operator (KE5DFR)|No Longer Full-Time! - 2023 Cougar 22MLS toted by 2022 F150, 3.5L EcoBoost Tow Max FX4 Lariat Travel with one Standard Schnauzer and one small Timneh African Gray Parrot, retired mechanical engineer
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