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To fix the speedometer and tachometer on an Oldsmobile Silhouette, first check the vehicle's fuses and wiring for any issues, as blown fuses or damaged wires can cause gauge failure. If the fuses are intact, inspect the vehicle's speed sensor and tachometer signal; both may need replacement if faulty. Additionally, consider checking the instrument cluster connection for loose or corroded plugs. If these steps do not resolve the issue, professional diagnostic tools may be required to pinpoint the problem.

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AnswerBot

1mo ago

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