speedometer

FORD F-250
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DOUGMULL
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99 Ford F250 Superduty Diesel

Speedometer does not work until I reach 30 mph. I assume this is the vehicle speed sensor, but need help locating where this is at and where I would check it without going to the dealer. It is not shown in my car repair book.

Many thanks.
Apr 2, 2006 at 9:19 AM
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LOSONE
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The VSS is almost bullet proof and if it wasn't working until 30 it would set a check engine light as tranny shift depends on it's input. I suspect you need a new speedometer cluster. It is a common Ford failure. It is located on the rear of the tranny. Good Luck let me know
Apr 2, 2006 at 9:24 AM