Horn
Here mud dauber wasps sometimes build their nest in a horn. The nest prevents diaphragm movement. If this is the case just knock it out and wire some window screen over the opening.
unplug the connector and clean it really good and then reconnect with dielectric grease. mine quit working. took it to the dealer. told me my horn needed replaced blah blah blah it will be a couple hundred bucks. cleaned it and reconnected and it's been honking like a champ the last 5 years.









