[Snitzle]

I am running into a similar problem with my 2005 2720. Radio seemed to work fine on previous camping trips but I closed the street side window (next to the sink and above the fridge) a bit too hard and the reception went out. Tried another antennae into the back of the radio and got better reception but only the right speaker works now.

More importantly I have the blade antennae and the red light is on but the reception is awful. How do I troubleshoot this. Does anyone know how the wire from the antennae to radio is routed?