I have a 2006 Ultra Classic. The horn was working recently then a few days ago it made a strange whimpy honk and has not worked since. When I press the horn button I can hear a whirling noise from the horn but nothing else. Any trouble shooting tips?
Is the air horn repairable or should I look to replace it?

 

I don't have an air horn, but I can tell you it would be helpful to know the brand name and model # of the horn you have. Maybe someone else has had the same issue. But if I had to guess your problem, I think we can rule out electrical. Perhaps an air hose inside the unit became disconnected? Maybe dry rotted?
If you don't have a name or model # then pics of the unit would also help

There are a lot of smart folks here. Provide as much info as you can and I'm sure you will get the answers you are looking for


Welcome to the forums

 

If it is the stock horn, throw that junk out and replace it.

 

It sounds like your air hose has come loose.

 

The make is COMPACT ( made in Italy) .
I had just washed the bike a few days ago but the horn was working after that.
I checked the connections to the horn and they feel tight. There are no frayed wires or dry rotted air hose
I bought the bike in Jan 2011 used. So I do not know the history of when the air horn was added.

 

The actual make is a Stebel Nautilus Compact Air Horn

 

Well I actually resolved my own problem. There was power to the horn but the whirling noise I mentioned was due to an a small gap between the trumpets and the compressor. When I slide the trumpets up to close the gap between the trumpets and the compressor the horn started working again.
The horn is going to need replacing with a new one in the very near future.