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Speedometer is way off

Tiny
FC1RET2001
  • MEMBER
  • 1995 CHEVROLET SILVERADO
  • 5.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 226,000 MILES
Just bought this truck so I don't know the history. The tires are stock size. The speedometer is way off. Reads 30 to 45 MPH faster than actual speed. I replaced the Vehicle Speed sensor and ther was no change. I need to know what is the most likely the failed part that would cause this symptom, VSSB/ECM or instrument cluster.
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Sunday, May 29th, 2016 AT 10:02 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,110 POSTS
Hey FC1RET2001,

It is the instrument cluster I have seen this problem before the stepper motor is no good and needs to be replaced, you can get a kit from amazon,

http://www.amazon.com/Instrument-Cluster-Stepper-Repair-Speedometer/dp/B01AJLYSRA/ref=sr_1_2?ie=UTF8&qid=1464544195&sr=8-2&keywords=gm+instrument+cluster+stepper+motor

Here is how to remove it

https://youtu.be/_HEC44xENxw

Let me know what you find
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Sunday, May 29th, 2016 AT 10:49 AM
Tiny
FC1RET2001
  • MEMBER
  • 1 POST
That was for 2000-2006. My truck is a 1995. Are these parts interchangeable?
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Tuesday, May 31st, 2016 AT 2:45 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,110 POSTS
They should be its all they offer, if not you will need to replace the cluster, let me know what you find.
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Tuesday, May 31st, 2016 AT 3:10 PM

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