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New User

Jun 22, 2013, 1:00 PM

Post #1 of 2 (1019 views)
Speedometer Sign In

I have a 2005 GMC Seirra SLT 4 Door Z71 4WD 5.3 Eng with 170K and the speedometer will act up and read up to 120 MPH at speeds of approx 6o mph. Do you have any suggestions on how to fix?

Hammer Time
Ultimate Carjunky / Moderator
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Jun 22, 2013, 2:13 PM

Post #2 of 2 (1003 views)
Re: Speedometer Sign In

It's probably a bad dash cluster but it needs to be diagnosed more accurately and that is going to require some electrical knowledge and electronic equipment.


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