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Old 12-30-2014, 08:18 AM   #1
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Join Date: Dec 2014
Location: Central Ohio
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Fog Lights and Air Horn

I am new to this forum and looking for information. I have a 2003 Windsong and can't find the switch to turn on the fog lights, is there a specific switch for the fog lights? Also I am looking to replace the air compressor for the airhorn. The compressor turns on but does not compress air and will never shut off unless I unplug it. Any suggestions would be appreciated.

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Old 01-11-2015, 01:31 PM   #2
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Join Date: Dec 2014
Posts: 7
I'm new to motor homing as well. I don't really have specifics on your air horn problem but I'm guessing if it is not producing pressure it is possible that the reed valves in the compressor head are not sealing. Without building air pressure the air pressure switch will not open and therefore the compressor will continue to run. I have zero motorhome experience with this but my past experiences with other compressed air systems tells me this may be your problem.

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Old 01-11-2015, 02:07 PM   #3
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Posts: 2,970
My experience with rv air horns is the Hadley brand. Typically there is a holding tank with a shutoff valve in series. The shutoff valve controls the 12 volt compressor power to keep tank pressurized. The compressor does not have its own pressure shutoff control. That's how mine worked. Yours may be different.
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