You likely have an incompatible control box model. The 9430A751 with dual SIG terminals is designed for true multi-zone systems, while your single-zone setup needs a simpler control box with one SIG terminal.
Yes, restricting airflow too much can damage your Advent A/C by causing coil freeze-up or compressor strain. The dividing wall is removed to eliminate air turbulence and improve ducted airflow distribution.
When your Everchill 12V refrigerator's freezer works but the fridge compartment doesn't cool, it's typically caused by a faulty damper control, blocked air circulation, or temperature sensor issue. Start by checking the damper door between compartments and verifying proper airflow.
Replace Atwood 8535-III with Dometic 8535-IV direct replacement or Suburban NT-30SP alternative.
Replace failing N3150 with NovaKool R4500 compressor for better heat performance or Norcold N3141 for absorption drop-in. NovaKool better for boondocking with solar, absorption for propane versatility.
When your RV refrigerator freezes everything even on warm settings, the problem is usually a faulty temperature control board, bad airflow damper, or incorrect thermostat calibration. Check the damper control first, then test the temperature control board.
For motorhome wheel balance near Columbus Ohio, use commercial truck tire shops like TA, Loves, or Goodyear Commercial. Shimmy at 55 mph often indicates balance, tire wear, or front end component issues.