2003 Chevy Avalanche speedomiter

2003 CHEVROLET AVALANCHE
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TONYHOLLOWAY71
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Electrical problem
2003 Chevy Avalanche Two Wheel Drive Automatic 73970 miles

my speedomater just started staying on a high speed while sitting still.it says i'm doing 70 when i am in park.is there something i can do to fix the problem myself
Nov 19, 2009 at 7:51 AM
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