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The buzzing noise behind the dash speedometer in a 1989 Chrysler New Yorker could be attributed to a failing or malfunctioning speedometer cable or gauge. It may also result from electrical issues, such as a loose connection or a failing component in the dashboard instrumentation. Additionally, worn-out gears or bearings in the speedometer mechanism itself could create vibrations leading to the buzzing sound. Inspecting the speedometer assembly and associated wiring is recommended to identify and resolve the issue.

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AnswerBot

3d ago

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