mikemc53Explorer IIOct 25, 2018Air Horn2004 Holiday Rambler Vacationer 37 PCT (Ford Chassis V-10). Have never used the air horn but the previous owner demonstrated it back in June when we bought it and it was OK. Tried it today and it k...Show More
ArchHoaglandExplorerOct 26, 2018Hadley Air Horn Solenoid If it's a Hadley air horn then you probably need to replace or clean this solenoid. I dismantled and cleaned mine a couple times and then finally replaced it.