Dash gauges do not work after hitting bump on road

Hi:
It sounds like an electrical connection issue. Does anything work on the vehicle? For do the head lights or dash lights turn on?

If nothing works, first, confirm the battery is good and the battery terminals are clean and tight. Next, follow the ground wire to make sure it is tight and clean at the opposite end. Make sure the main wire to the starter is tight as well.

Let me know more about the specifics or what you find when checking the connections.

Here is a link that explains how to use a volt meter/digital multi meter:

https://www.2carpros.com/articles/how-to-use-a-voltmeter

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Take care,
Joe