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Old January 4th, 2012, 09:27 PM   #1
special k
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Exclamation 2003 gmc 2500 speedo/tach inop

i have a 2003 GMC 2500hd, 6.0L vortec. speedo does not work at all, and tach will work when you first start the truck then will peg to 0, but if revved it will come up but not to an appropriate RPM. i found some shit online saying the stepper motors in the cluster wear out and can cause these symptoms, anyone have any knowledge or experience with this?
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