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AC control council inoperative

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Our AC control panel W/O Nav, just stopped working , no power to front or rear controls. I checked all fuses and they are good. I read somewhere to do a reset by unplugging the battery negative terminal. That worked for a very short time. Started the truck lights came on then went off. In another thread they said the LCD control unit needs to be replaced. I thought I'd reach out before I tried that. Any assistance would be appreciated. 


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