Question about 2005 Chevrolet Silverado 3500

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Speedometer pegs out at 120mph when touching the gas pedal lightly

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Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Silverado instrument cluster repair

Posted on Oct 05, 2010

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This was a hugh design flaw for GM. They had problems with the dash cluster in many trucks and SUV's. Unfortunately, they haven't yet made it a recall, which means the only way to fix the problem is to replace the instrument cluster, which is quite pricey. Sorry....

Posted on Sep 08, 2009

  • Gary Howard Jul 26, 2011

    Dealers want $500-$1200 to fix this issue.My company replaces the bad motors with new ones with a lifetime guarantee for as low as $75.00 .



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Related Questions:

1 Answer

The radio in my 1997 venture van when turned on make my speedometer go crazy. I will be going 60mph and it shows as going 120mph, it will also effect my gas gauge. I have replaced the cluster and it...

Hi Jurrine,

There is an electrical problem with the radio. Take the van to an auto electrician or a can radio installation shop and ask the to fix the wires for you.

Good luck

Aug 06, 2013 | 1997 Chevrolet Venture

2 Answers

Speedometer is stuck at 120mph

Try giving the gauge pod a solid hit with your hand. This may jolt the needle back.

  • remove the gauge pod.
  • remove the front clear panel from the pod.
  • move the needle back the zero position.
  • reassemble.
See if the speedometer now works.


Jan 07, 2011 | 2004 Chevrolet Suburban

1 Answer

My speedometer is pointing at 120mph. I have 88,000 miles on truck. where can i find a replacement and how difficult is the change?


It's common for the gauges to go out on the 03-06 Silverados due to failing gauge motors. You can find rebuild service information here - Silverado speedometer problem
and a DIY guide on fixing them there as well.


Oct 29, 2010 | 2003 Chevrolet Silverado 1500

1 Answer

Speedometer is jumping passed 120mph and bouncing

check or replace senser in transaxle if not promble then check or replace dash

Mar 15, 2010 | 1993 Buick LeSabre

1 Answer

Speedometer spiked to 120MPH and now stuck on 60

Yes there is a recall for the instrument cluster gauges not working properly or sticking.Call your dealer and they will ask for your vehicle identification number.What they do is put this number in there computer and they will tell you if you have any open recalls on your vehicle.If you have less than 70k miles this will cost you nothing.But if it is over 70k then you will get the cluster free but have to pay for labor.The recall number is 07187C.Good luck.

Dec 07, 2009 | 2003 GMC Yukon

1 Answer

2005 denali speedometer runs at 120mph sitting still

possible short in speed sensor wire or sensor

Apr 18, 2009 | GMC Denali Cars & Trucks

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