Yes, you can get a replacement camera that will plug into the existing wiring but the monitor will require a slight modification to the harness.
The Voyager RV Backup Camera Black # VGR84VR will be plug and play with your current camera system on your 2010 Coachmen Mirada.
The Voyager RV LCD Observation Monitor # VO34FR will work as a replacement for your current monitor, but you will have to use the new harness that is included with the monitor. This will connect to the existing camera... view full answer...
The Titan tensioners part # TCMA2 would work great with the Titan chains part # TC2228 with your tire size 245/70-19.5. If I were you this would be the tensioners I would go with as they work great and install easily. view full answer...