Hi guys:
Well I picked up my motorhome after getting a Laundry list of things fixed at the dealership. I drive away and 5 miles down the road I hear this wierd buzzing noise coming from the dash that I never heard before. I know that after driving this thing about 500 miles so far that I NEVER heard this BUZZ before.
I pulled over in a big parking lot and popped the front hood over the generator. The noise was coming from the hookup where the vacuum hoses connect behind the generator. I drove back to the dealership and they were at a loss as to why this thing was buzzing like that.
Now it just so happens that there was an exact 04 Meridan like mine on his lot. We went over and when you turned the key it buzzed the same way mine does. Don't mistake this buzzing noise with the buzz when you first start your DP coach that stops after 5 seconds. This stays on even after the caoch is running.
Well when I asked what does that vacuum setup do, they said it was for the heater and air conditioning controls, that they work on a vacuum because it is a DP. They said the noise was normal, which it wasn't because I never heard it before.
They were closing so I left. On the way home for the heck of it I put my cab dash heater unit fan on low, thermostat set to cool and floor and POOF no more buzzing???
So it buzzes like crazy when I have all my controls on the heater and AC set to off? What am I missing here.
Regards Jim P.