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
dougrainerNomadOct 25, 2018On the compressor, they will have a pressure switch. 2 wires. Just unplug one of those wires. Doug