Around 40-45 mph a noise starts in the dash.

1997 LINCOLN TOWN CAR
150,000 MILES
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GACOTTON
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At around 40-45 mph a clicking noise, similar to a card clicking on a bicycle wheel, starts in the dash area. As the speed goes up so does the frequency of the noise. While slowing down the frequency slows also and at around 40-45 mph it suddenly stops. On the highway with a faster acceleration speed, the noise didn't start and stop till around 50mph.
Nov 24, 2011 at 2:03 AM
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KASEKENNY
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If this cluster is a digital cluster, then this is not a speedometer cable. However, if it is not then the cable is the likely issue.

I attached the info about the cable below for your review.

If this is a digital gauge, then the issue is likely a relay but they don't normally get faster as the speed increases so that is why I suspect this is a cable issue.

Here is a guide that will help with testing a relay to prove this out:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Please let us know if you can get a recording of this noise because that may help figure out the possible causes.

Thanks
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Mar 20, 2022 at 7:01 AM