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Old 11-19-2013, 02:59 PM
Topp dawg Topp dawg is offline
TT Enthusiast
Join Date: Jun 2013
Boat: 2003 Mastercraft X10
Location: Southeast
Posts: 280
To my knowledge the yellow wire controls the needle for RPMs and the hour meter. This is the data wire that tells the gauge what to show the driver. I asked medallion how to make the hour meter show the correct engine hours but they said it can't be done.
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