1998 GMC Sonoma My speedometer is stuck on 100mph???????

1998 GMC SONOMA
140,000 MILES • 4 CYL • 2WD • AUTOMATIC
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KBLES
  • MEMBER
  • 1 POST
I just recently had a new transmisson put in my truck. I have drove it a few times and here the other day the speedometer just went all the way to 100mph and stuck. I cannot find out how to fix it....Can you please HELP!
Jul 16, 2009 at 6:26 PM
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MHPAUTOS
  • CAR REPAIR CONTRIBUTOR
  • 31,937 POSTS
Hi there,

I would say that the speedo head has failed, not sure if this is a cable drive or electric, will check it out and see if i can give you a few options on what to do next.

mark (mhpautos)
Jul 16, 2009 at 6:33 PM
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