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Speedometer issue

Tiny
RYAN1999
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 94,000 MILES
My 2004 Chevy trailblazer periodically looses speedometer and tach. There seems to be no pattern, cycle, or event that causes this to happen - any ideas?
Sunday, November 14th, 2010 AT 1:09 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It cold be a baad connection on yoru speed sensor or cruise control.
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Sunday, November 14th, 2010 AT 2:16 AM
Tiny
SSNOVAII
  • MEMBER
  • 9 POSTS
Hi Ryan,

This is a common issue with the 03-06 Trailblazers and is caused by failing gauge motors inside your instrument cluster. You can have it replaced at the dealership for $400-$700 or you can have your cluster rebuilt. Check out http://drspeedometer.com/services-i-offer/trailblazer-speedometer-repair for more info.

-SS
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Tuesday, November 16th, 2010 AT 10:05 PM

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