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ISO harness for easy plug-and-play installation of the Continental head units in Porsche models equipped with the M490 Hi-Fi audio system and the Porsche CR-1 or CR-2 head units. These use a rare 10-pin ISO connector for the line signal connection to the external amplifier. This harness makes installation possible without any modifications of the original car wiring, and utilizes the use of the existing amplifier. Consist of the following: