The Triple LED Trailer Tail Light # 328-003-30LEM2 that you referenced do not require any extra diodes to install. You'd just need to wire them to your current wiring on your Montana and you'd be set. view full answer...
This is a fairly common concern with the Atwood AC units. The reason the fan stays on is because the thermostat sensor is located in the return air side of the AC. The fan keeps air moving from the RV so that it gets an accurate temperature reading. view full answer...