iDatalink's HRN-RR-AU1 installation harness simplifies the installation of the Maestro ADS-MRR or ADS_MRR@ Car Radio Replacement Interface module (sold separately) in select 2004-2014 Audi vehiclesAudi vehicles when replacing your factory radio with an iDatalink Serial Port compatible car stereo.
The package includes connectors that plug in between the Maestro module, your factory radio's wiring plugs, and the serial port on your new car stereo. This harness features an in-line head-unit connector harness, which will plug into their new "Head-unit direct" harnesses for select radio brands. If you're installing a radio that doesn't work with a "Head-unit direct" harness, you simply cut off the plug and connect the wires to the harness included with your new radio.
