Speedometer is Shakey/E-150

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04-02-2004, 12:12 PM

stadium94

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Speedometer is Shakey/E-150

94 E-150 351, 108k miles. Speedo needle vibrates back and forth slightly at higher speeds. When I enable cruise control, car surges and slows to the movement of the speedo needle. Any ideas?

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04-02-2004, 12:14 PM

jpsartre12

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Quote:

Originally Posted by stadium94

94 E-150 351, 108k miles. Speedo needle vibrates back and forth slightly at higher speeds. When I enable cruise control, car surges and slows to the movement of the speedo needle. Any ideas?

Bad cable? sending unit?

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04-02-2004, 03:02 PM

stadium94

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There's no cable, it's an e;ectronic speedo.

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04-02-2004, 09:02 PM

c96drumm

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Speed sensor?

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04-04-2004, 10:55 AM

paradiddle

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I get the same thing every now and then.

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04-05-2004, 11:18 AM

hanno2s

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Replace the speed sensor mounted on top of the differential (assuming the wiring is OK). Note that NAPA applications all showed a mechanical, transmission mounted unit. Had to hit the dealer for this one.

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