Question about 2004 Chevrolet TrailBlazer

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I replaced all the speed cluster motors on my speedometer on my 2004 trailblazer and the problem is still happening the speedometer needle goes up but will not go back down any ideas why and how I can fix it?

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  • 359 Answers

Maybe the speed sensor that is feeding the cluster if faulty? Do you have an OBD scanner that can check for any fault codes being thrown on the vehicle?

Posted on Oct 16, 2013

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Posted on Jan 02, 2017

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wireguy212
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SOURCE: 2005 cavalier speedometer sticking at

You need to replace the sending unit ,speed senser,in the transmission housing or repair any shorted wireing comeing from it to the dash.

Posted on Nov 25, 2009

  • 246 Answers

SOURCE: when i turn on my heat my 2004 trailblazer stalls

if this happens while the defrost of ac is turned on, it could be a seized ac compressor which will cause the serpentine belt to squeal and drag making the engine sometimes stall. if it happens with the ac off and the selector on say the floor, or dash vents, the issue could be a bad alternator and battery. this is confirmed when the blower motor engages and the lights dim and then the truck goes dead.

Posted on Feb 17, 2010

  • 480 Answers

SOURCE: how I can fix my Instrument Cluster for 2003 chevy

most of the more modern instrument clusters are solid state meaning theres pretty much nothing to fix on then when they break unless your good with electronics repair, its easyer to just replace the unit with one out of a salvage yard.

Posted on Dec 23, 2010

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3 Answers

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.

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Two possibilities, the speed sensor on the transmission or the stepper motor that drives the speedometer in the cluster. Is your cruise control working? If it is, then the problem is with the cluster.

Feb 08, 2011 | 2004 Chevrolet TrailBlazer

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What would make a speed odometer not to work?


Two possibilities, speed sensor on transmission or a bad stepper motor in the instrument cluster. Does your cruise control work? If it does, then the speed sensor is OK and the problem is with the stepper motor in the cluster that drives the speedometer.

Feb 05, 2011 | 2004 Chevrolet TrailBlazer

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THE SPEEDOMETER STOPS WORKING WHEN IT GETS HOT ON MY 2004 TRAIL BLAZER THANKS.


If everything else works ok, the vehicle drives normally, and all the other gauges are working then you may have a bad speedometer servo motor. This servo is what actually moves the speedometer needle to match the speed you are driving at. The cluster would need to come out and be repaired to fix this problem if this is the case.

Jan 17, 2011 | 2004 Chevrolet TrailBlazer

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Needle sticking or not reading correct speed


Speedometer cluster is defective. Many GM oproducts used stepper motors in the speedometer cluster. speedometer, gas gauge, tachometer etc what ever is a movement indicator.

Do not purchase a used one or one that is "repaired" if the stepper motors are not replaced with motors made after 2005. repaired units cost a few hundred dollars. individule stepper motors can be purchased on EBay for less than $10.00 each. The cluster must be removed from the vehicle and dismantled carefully, knowing it is electrical device and may be damaged by static electricity. good luck!!

Jan 13, 2011 | 2004 Chevrolet Silverado 1500 Crew Cab

2 Answers

2004 Chevy Trailblazer We had to replace the


For the stalling issue, the throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean.
The dead speedometer could be a bad stepper motor in the instrument cluster or a bad speed sensor on the transmission. If the cruise control is not working, the problem is most likely the speed sensor.

Oct 15, 2010 | 2004 Chevrolet TrailBlazer

4 Answers

Speedometer does not function properly. needle


A faulty vehicle speed sensor will cause this.
It's mounted on the back end of the transmission where the drive shaft slides into, near the top, it's just held in with a bolt, on the right side of the tranny, also has a wire connection.

Oct 23, 2009 | 2004 Chevrolet Silverado 1500 Crew Cab

3 Answers

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your relay is going bad, replace it.

Nov 24, 2008 | 2004 Chevrolet TrailBlazer

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replace the ip cluster will fix speedometer

Sep 29, 2008 | 2004 Chevrolet TrailBlazer

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If your transmission fluid level is okay, then you need a new speedometer cable. Its not terribly difficult to replace, but it does require you to pull the instrument cluster. A local Hyundai dealership might be willing to photocopy the specific speedometer cable replacement instructions out of the 2004 Accent shop manual.

Jul 02, 2008 | Hyundai Motor 2004 Accent

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