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  1. PAC TR7 Installation with Alpine IVA-W505

    Technical & Advanced Car Audio Discussion
    Hi All, I'm dozens of hours deep and searched through every forum and google result on this. I am installing a PAC TR7 to bypass the Alpine IVA-W505 parking brake / foot brake restrictions on settings and video display Red = 12V Accessory Power @ Fuse Box Black = Head Unit Ground Blue =...