Hi,
If it is an aftermarket component, I can't be sure if the manufacturer provides a new harness. However, you should be able to splice the wiring back together.
Also, you won't need to flash anything.
Do me a favor. Take a couple of pics of the damage and upload them for me to see. I should be better able to advise you if I see what has happened.
Let me know.
Take care,
Joe
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Sunday, March 5th, 2023 AT 10:19 PM