Thread: Speedometer went nuts - help
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Old 06-20-2012, 10:46 AM
olddog olddog is offline
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Join Date: May 2006
Location: St. Louisville, Oh
Cobra Make, Engine: A&C 67 427 cobra SB
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Default Speedometer went nuts - help
Back out of driveway and started forward. Speedometer went nuts, bouncing all over the place. Then it steadied out at 60 MPH (actual speed was about 20 MPH) for 5 or ten seconds. It dropped to zero then came up and stuck at 20 MPH. Next time I stopped, it dropped to about 15 MPH and has stayed stuck there.

The odometer is still working.

Speedometer is a VDO. Transmission has a cable running to speedometer, so I believe it is mechanical.

I was under the dash yesterday fishing some wires. I put 20 miles on it with everything working perfectly since then.

Any chance I bumped something loose or does it pretty much have to be a bad gauge?
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