Question about 1985 Cadillac DeVille

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How do I fix the speedometer on a 1985 Cadillac deville. sometimes it works if you hit a bump but only for a minute

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If it is a mechanically driven type, look for a loose connection on either end of the outer drive cable housing--at the output end of the transmission or the back of the speedometer head. If electronic display, look for a loose electrical connection at the transmission output end.

Posted on Sep 06, 2009

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