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Old 06-19-2017
SA10#04 SA10#04 is offline
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Join Date: Oct 2008
Location: East TN
Posts: 94
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Something has failed internally. The speedometer needle is driven by a magnet spinning inside of it. The needle doesn't physically touch anything and isn't driven by a gear. The gears inside of the unit determine the rpm of the magnet which in turn tells you the mph. It is possible that magnet has messed up. You can take the whole cluster apart without messing up anything to inspect the unit. You'll need to blow apart the cluster down to each gauge set.
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