Toyo provides excellent value compared to Michelin with comparable ride quality. Most owners who switch are satisfied and save ,000+ on a set. Ride difference is minimal. Both are quality choices - Toyo for value, Michelin for premium brand assurance.
Levelegs and air suspension are separate systems. If coach wont raise, check that levelers are fully retracted, air compressor is running, and no air leaks. May need professional service if stuck low. Do not drive with suspension issues.
While Xantrex no longer repairs the RV3012GS inverter, several third-party companies specialize in rebuilding these units. Alternative solutions include compatible inverters from AIMS Power, Go Power, and Magnum Energy that don't require complete system overhauls.
For retirement full-timing, Newmar, Tiffin, and Entegra offer best mid-range luxury value (50K-400K used). Buy 2-3 years old to save on depreciation. Prioritize residential fridge, washer/dryer, and large tanks. Get pre-purchase inspection.
New sensor resistance not matching suggests compatibility issue or wiring problem. Verify 8330-3101 is correct for your specific thermostat model with Coleman/Airxcel. Check resistance at sensor ends vs thermostat end of wiring.
This appears to be a faulty parking brake switch or wiring issue causing false signals to the engine control module. The parking brake system shouldn't trigger limp mode under normal operation, indicating an electrical problem that needs diagnosis.