That indicates a dead short. Don't let it like that. It can cause a fire. What color is the wire you are referring to? By chance, is it white? Can you trace it?
If it is white, follow it to the fuse box. Take a look at pic 1. Note that it powers basically everything in the box. Check to make sure the wire itself isn't damaged and then with the battery disconnected, remove the fuse box so you can see under it and inspect the wiring.
Here is a link you may find helpful:
https://www.2carpros.com/articles/how-to-check-wiring
Let me know what you find.
Joe
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Saturday, March 13th, 2021 AT 10:09 PM