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Problem speedometer gages corvette C6

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Old Feb 28, 2024 | 09:21 AM
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Default Problem speedometer gages corvette C6

Hi !

I have a problem with all the needles on my speedometer.
the car is not driven often.
I no longer have the starting kinematics and the hands do not move.
My battery is new and maintaining a charge.
I stripped the 4 ground in the engine part.
the two interior ground at the foot of the rocker panels.
disconnect the three bcm sockets, it works again for 30 seconds when I start then the needles get stuck again.
I have to remove the battery terminals and put them back to lower the needles.

Any ideas ?
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Old Feb 28, 2024 | 10:04 AM
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the Digital display is working, but none of the mechanical hands sweep?

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Old Feb 28, 2024 | 10:34 AM
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Originally Posted by davidfarmer
the Digital display is working, but none of the mechanical hands sweep?
Yes exactly. when the needles do not move, all the information is good apart from tire pressure and instantaneous consumption.

the engine fuses and the passenger foot fuses are good THANKS..

Last edited by All39; Feb 28, 2024 at 10:41 AM.
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Old Feb 28, 2024 | 09:17 PM
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How is your disassembly and board soldering skills.

If not, and don't live in say Denver for me to give you a hand repairing it, the may want to look into these guys to either repair it, or do a cluster swap isntead.
https://issautomotive.com/products/2...er-replacement
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Old Feb 29, 2024 | 01:45 AM
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Originally Posted by Dano523
How is your disassembly and board soldering skills.

If not, and don't live in say Denver for me to give you a hand repairing it, the may want to look into these guys to either repair it, or do a cluster swap isntead.
https://issautomotive.com/products/2...er-replacement
Hello and thank you ! I am in France..if someone shows me what I need to check in the speedometer I can do it ✌️ professionals in France also do repairs on clusters but that seems strange to me.. Has anyone had the same situation as me here? THANKS !
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Old Feb 29, 2024 | 04:40 AM
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Small clarification, even when it doesn't work for long I don't have instantaneous consumption.

I don't know if it's normal after disconnecting the battery or if it comes back on its own while driving, but in my opinion I should at least have the instantaneous consumption?

I cleaned the 4 masses of the engine then the 2 inside (G​201/G202) I did not doG301/G302 because it seems impossible to me.
I would especially like to know which beam sends the information to the meter? Thank you friends !
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Old Mar 1, 2024 | 03:21 AM
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Help !
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Old Mar 2, 2024 | 08:01 AM
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From: Brick NJ
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Years back my speedometer needle stopped working, the problem was a faulty speed sensor located over the rear differential wasn't sending the info to the computer,
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Old Mar 2, 2024 | 05:13 PM
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Since the VSS if working for the DIC, that is not the problem.

The problem is going to be in the cluster itself on the dail gauge side, sowould first try to clean the dash connectors to see if corrosion problem there, and best guess without seeing his board if not connectors, going to go with either cold solder joint on header pin, one of the ribbons cables loose, something else on the board where the dial gauges are not getting power.
Note, when cleaning the cluster connectors with battery disconnected, would clean the BCM and ECM connectors, since problem could be those connectors up line instead.
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Old Mar 3, 2024 | 06:15 AM
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Originally Posted by Dano523
Since the VSS if working for the DIC, that is not the problem.

The problem is going to be in the cluster itself on the dail gauge side, sowould first try to clean the dash connectors to see if corrosion problem there, and best guess without seeing his board if not connectors, going to go with either cold solder joint on header pin, one of the ribbons cables loose, something else on the board where the dial gauges are not getting power.
Note, when cleaning the cluster connectors with battery disconnected, would clean the BCM and ECM connectors, since problem could be those connectors up line instead.
Thanks ✌️
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