I have a 1992 Chevy 1500 5 speed manual
and the speedometer does not read
properly. When accelerating it will run up to
85 mph and stay there at speeds 55-60
mph or higher. At slower speeds it's
approximately 25-30 mph off. Any idea as
to what is causing the problem?? I've been
told either the instrument cluster needs
replaced or the Drac module is bad? Any
help would be appreciated.
Sounds like your speed sensors are not reading correctly.
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