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Discussion Starter · #1 ·
My dealer worked with me and the Premium Sound HU is in. I told him I'd change out the unit myself and hand him back the base HU. I have removed the radio, but have a question. Viewing the Premium Sound manual, it appears all the plugs are the same, as expected. There is an "extra" 16 pin receptacle on the Premium Sound unit, that is not on the base radio. I'm guessing this is to add XM.

Anyone have experience with this change out?

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