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Old 02-05-2013, 11:59 PM
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CC2MC CC2MC is offline
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Join Date: Aug 2012
Boat: 2005 x-10
Location: Alabama
Posts: 1,397
That is a good point about GPS confirmation. Are you going off of the boat speedo? I wouldn't think that the speedo would be off by 12-13mph, but anything is possible and a less expensive fix if that is the case.
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