2007-09 NBS Adding OEM Bose Amp and Nav
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I have installed Nav unit 15940103 in my 09 Sierra. Nav works great with VSS tapped. I have the factory bose amp 15186660. This is a non bose truck. I have wired up the amp and I do not get audio from the speakers but humming from the Subwoofer. Can this be cured by a Tech II reprogram of my BCM to UQA
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