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My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
This sounds like you may have shorted or damaged wiring behind the radio in the dash area itself.In some cases wiring may become brittle and short out to ground and cause this issue here needing repaired or replaced.I have also seen where wiring can rub through on a metal bracket in the dash area causing this fault as well.If you have not fully inspected the wiring for any damage this needs done and if a fault is found it will need repaired.If this was already checked and found o.k. let me know so we can continue if you like.
If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service.You can rate at any time and we can continue to work on your question as this will not close out your question.Keep in mind in some cases it can be difficult to fully diagnose or help repair your vehicle without seeing it and I work on delivering the best possible answer from what I see to work with.