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280zx Digital Dash jumpy speedo

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Old 08-14-2013, 08:41 PM
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280zx Digital Dash jumpy speedo

My speedometer on my 83 digital dash is sporadic plus or minus 5 mph while driving. It did this when I first bought the car and then it stopped for a while.

Now...it does it again.

Does anybody have an idea what would cause that? All the other stuff is working great on it.

Thanks in advance!
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Old 08-14-2013, 08:45 PM
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Sticky / bent / kinked speedo cable.
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