On one of your “Car Talks” last week, you spoke of odometers that were mechanical or electronic, well my odometer and RPM gauges stopped working in my 1992 Buick Regal 3800 12 volt 6 cyl. What can I do to fix this? - Eddie
Take it to a mechanic…
Many vehicles have electronic instrument clusters. Sounds like either the cluster is bad or the signal to the cluster is bad.