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Old 07-31-2010, 05:43 PM   #2
scductman
Montana Master
 
Join Date: Jun 2007
Location: Eastern
Posts: 1,155
M.O.C. #7270
Dpam it is most likely the little fan in the back to cool the unit. when I replaced the cooling unit on mine I put 2 new fans in for better cooling and you can hear them more now than before.
bobby
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