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"Servo" motor for speedometer?

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Old Jun 20, 2012 | 09:05 PM
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Default "Servo" motor for speedometer?

Hey guys, my speedometer died about a week ago made a thread here https://ls1tech.com/forums/pcm-diagn...s-nothing.html
and after having the car looked at it was determined that the servo-motor for the speedometer in the gauge cluster is bad. I tried searching on google, ebay, and ls1tech for this so called servo motor for my car and came up with nothing, I was hoping just replace the problematic part instead of swapping the whole cluster.
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Old Jun 21, 2012 | 06:51 AM
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You won't find a replacement motor because speedometers don't use servo motors. A new electronic component on the gauge also won't fix the odometer since its a separate component. (You should also take care to never ever let the person who told you that servo motor thing touch your car!)

There are specialized companies that will test and repair gauge clusters. You should probably pop yours out and send it off to one and have them fix it for you. Its probably a burned out solid state component, or broken solder connection on the board, etc.
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Old Jun 30, 2012 | 09:26 PM
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Tried installing another gauge cluster, and the speedometer still won't work, the needles all swept right to left on it upon installation so I'm sure the driver/motor is good. I am now convinced it's a wiring problem between the gauge cluster and PCM, because I had a scanner hooked up to it last time and it was showing the speed on there. Seems like the majority of the shops I called are not interested in fixing this or want to charge a huge diagnostic fee... where do I go from here?
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Old Jul 1, 2012 | 12:36 AM
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Check the electrical connector that the cluster plugs in to in order to see if anything looks out of place.

Is the only thing wrong the speedometer? Do the lights work? Have you checked the fuses?

BTW - Electrical work is crazy expensive when you go to a shop to have it done. That's just the way it is...
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Old Jul 2, 2012 | 12:16 AM
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Originally Posted by wssix99
Check the electrical connector that the cluster plugs in to in order to see if anything looks out of place.

Is the only thing wrong the speedometer? Do the lights work? Have you checked the fuses?

BTW - Electrical work is crazy expensive when you go to a shop to have it done. That's just the way it is...
The connectors are clean, even gave it a light scrub with a toothbrush, everything else including all of the lights work as they should, the fuses are fine... just the speedometer, odometer, and cruise control do not work.
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Old Jul 4, 2012 | 10:48 PM
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bump for the geniuses.
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