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jeameagher
New User
Jun 22, 2013, 1:00 PM
Post #1 of 2
(1751 views)
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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?
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 22, 2013, 2:13 PM
Post #2 of 2
(1735 views)
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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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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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