Question about 2004 Chevrolet TrailBlazer

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2004 trailblazer speedometer and tachometer does not work

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Check fuse, then sensor wires on transmission and magneto!!! maybe dirty or unplugged,possibly unpluuged from cab to firewall ? Good luck hope this helps!!!!

Posted on Jun 21, 2009

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2 Answers

Speedometer and tachometer not working on 2004 Trailblazer


stepper motor failure in instrument cluster. visit my website www.joedatech.comi have a mail in service for your convenience. or call me if you live in az.

Jan 09, 2012 | 2004 Chevrolet TrailBlazer

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My 2004 Trailblazer tachometer, speedometer, and oil pressure gages don't work.


First thing I'd look at is replacing your ignition switch. This is notorious for making the guages work quirky or go out. If not, the little stepper motors on the back of each gauage are easy to replace.

Mar 04, 2011 | 2004 Chevrolet TrailBlazer

2 Answers

Tachometer does not work speedometer works


Change the stepper motor on the back of the instrument cluster. Common problem.

Jan 11, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

Tachometer stopped working then the speedometer now the service engine comes on randomly and there is a strange noise when starting the blazer and sometimes it almost seems as though it is not going to...


The speedometer and tachometer problem on your Trailblazer instrument cluster is very common on the 03-06 models. It's caused by failing stepper motors on the cluster's circuit board and can be fixed. Check out this page for more on how to get it fixed - Trailblazer tachometer problems

Sep 18, 2010 | 2004 Chevrolet TrailBlazer

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Tachometer needle on 2004 Trailblaser 6 cyl


it is not a connection problem. The instrument panel will need to be replace and reprogrammed.

Jan 05, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

2003 trailblazer, some of the guages are not working, the battery guage, the tachometer, and the speedometer


On the 03-06 Trailblazer instrument clusters this is a common problem. It's caused by failing stepper motors on the cluster's circuit board and it can be repaired. Check out this facebook group dedicated to the problem - My Trailblazer Gauges Are Driving Me Crazy!

Sep 28, 2009 | 2004 Chevrolet TrailBlazer

2 Answers

While driving my tachometer keeps dropping to zero.


NOT SURE BUT IT KINDA SOUNDS LIKE EITHER A BAD GROUND TO THE POWERTRAIN CONTROL MODULE OF A BAD GOUND ON THE ALTERNATOR. ARE YOU HAVING ANY OTHER ELECTRICAL ISSUES OTHER THAN THIS?

JAMESFWALKERJR2006@YAHOO.COM

Aug 28, 2009 | 2004 Chevrolet TrailBlazer

1 Answer

2004 Trailblazer tachometer problem


On the 03-06 Trailblazer instrument clusters this is a common problem. It's caused by a failing stepper motor on the cluster's circuit board and can be repaired. Check out this page for more about how to get it fixed and other common cluster problems with the Trailblazers - Trailblazer tachometer broken

Mar 30, 2009 | 2004 Chevrolet TrailBlazer

5 Answers

Both speedometer & tachometer not working, both reading wrong.


"The Fix" works...I would have not believed it untill I did it.... Start the car in reverse and about 5 times later it reset the speedometer back to zero.....wow!

Mar 25, 2009 | 2004 Chevrolet TrailBlazer

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