Yahoo Message Number: 81070 (http://groups.yahoo.com/neo/groups/Country-Coach-Owners/conversations/messages/81070)
I had the same problem on my 2002 Magna. Turned out that the switch that operates the in and out was faulty - sometimes it worked and sometimes it did not or would work for a few seconds and then quick. Would get a new switch ASAP. Very inexpensive.
Bill