I am diagnosing the failure of my air horn. Steering wheel button, horn relay, and air solenoid all checkout: but, I have hit a wall in locating the compressor for the air horn. Monaco bought SAFARI in 04; but, MOST of the SAFARI technical info did NOT survive the Monaco bankruptcy in 05-06. I called their "Safari tech support unit" today and asked if they could tell me WHERE on my coach to locate the compressor for the air horn. Their reply... "no clue". Any help greatly appreciated.