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The last optional part is to connect a loose yellow wire from the Parrot's mute wire to the exact pin that contains the Mute connection on your car's headunit. The Symphony II has a pin diagram on the top of it to explain the wiring schematic. The Parrot's wiring harness has multiple loose wires at the ready to be plugged in depending where your mute pin is in the schematic. Connecting this wire will allow your radio to display "phone" on the display when a call comes in, but is not a necessary connection since the Parrot's mute cable will do the job of muting the audio source and allowing the phone audio through.

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Also the parrot handsfree kit has internal relays to lift the audio from the factory speakers (if you are not using the optional external speaker) This eliminates the need for a factory mute wire.

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Originally posted by deano87

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Also the parrot handsfree kit has internal relays to lift the audio from the factory speakers (if you are not using the optional external speaker) This eliminates the need for a factory mute wire.

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Who knows at least I know what to do in any case! Thanks for the help, bed time

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STEP 6

The last wiring step is the MUTE wire. This wire tells the headunit to mute when you receive a call (makes it much easier to hear the caller lol)

On my pioneer headunit, each wire was very clearly labelled. However, the wires wasnt terminated, and so I had to crimp a female bullet connector to it, in order to connect it to the male bullet connector on the Parrot wiring harness.

Some headunits use different mute wires, so please check your manual to make sure you have the right cable - the standard Aura unit has a mute wire integrated with the ISO harness, so u won't need to crimp anything

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