Tach not working

Tiny
RALPHKBGUY
  • 2004 INTERNATIONAL TRUCK
  • V8
  • 4WD
  • MANUAL
  • 105,000 MILES

My tack on a 2004 chev silverado is not working right, sometimes on 0 and sometimes anywhere in between, also my tow/haul mode is not always working, does the tack not working have anything to do with the haul mode not always working? What is the possable fix?

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have the same problem?
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Monday, February 7th, 2011 AT 3:06 AM

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