1984 Corvette "Stepper Motor" odometer issue - Hot Rod Forum : Hotrodders Bulletin Board
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Old 03-26-2011, 10:41 AM
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1984 Corvette "Stepper Motor"

I am in need of help with an odometer problem with my 1984 Corvette "stepper motor". My odometer has just stopped functioning, and I was told that perhaps the problem is the "stepper motor" which I didn't know existed. I'd like to know how I can determine that this is my problem, where this monster might be located and where I can purchase a new one. any and all information I can acquire would be immensely appreciated.
Olen

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Old 03-26-2011, 10:47 AM
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Quote:
Originally Posted by Dafstur
I am in need of help with an odometer problem with my 1984 Corvette "stepper motor". My odometer has just stopped functioning, and I was told that perhaps the problem is the "stepper motor" which I didn't know existed. I'd like to know how I can determine that this is my problem, where this monster might be located and where I can purchase a new one. any and all information I can acquire would be immensely appreciated.
Olen
You've got the right web site to find an answer but the wrong board. I would post this question onto the electrical forum if I were you. This board deals more with making seats, door panels, sewing, etc. I'm sure you will get a response.
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Old 03-26-2011, 02:00 PM
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Quote:
Originally Posted by Dafstur
I am in need of help with an odometer problem with my 1984 Corvette "stepper motor". My odometer has just stopped functioning, and I was told that perhaps the problem is the "stepper motor" which I didn't know existed. I'd like to know how I can determine that this is my problem, where this monster might be located and where I can purchase a new one. any and all information I can acquire would be immensely appreciated.
Olen
Before you replace the motor, check to make sure the two wire connector that goes to the circuit board is connected, or if it is connected, make sure both pins are correctly connected.

Here's a link to the motor for sale on E-Bay: CLICK HERE
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Old 03-26-2011, 03:03 PM
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check for trouble codes and/ or a check engine light to be sure that isnt the cause.A code 24 is for no VSS signal or circuit open. (Vehicle Speed Sensor).
If there is no problem there , then google speedometer repair. something is bound to come up.If you cant find a part you may find someone who has parts and will fix it.
Post a pic of the stepper if you determine that it is the problem.Maybe someone here has seen them and can get one.
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Old 03-26-2011, 05:10 PM
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I think the GM stepper motor problem is well known for 2003-2006 GM clusters. Stepper motors are used in most computer-controlled gauges, but I don't think they were used in 1984. However, maybe there is one that drives the odometer.

Stepper motors are very cheap ($7-10), but are soldered in place on the circuit board.

Bruce
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Old 03-28-2011, 07:05 AM
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It's not a stepper motor, but there is a motor running the odometer. Here's a picture of it: CLICK HERE
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