DIY - setting up the AUX input for iPod, mp3 player, etc.





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I need to know the correct colour code for the wires. My plug has 2 black wires, 1 yellow wire and 1 brown wire. I have currently got it working in all the speakers, but there doesn't seem to be any mid speaker sounds, or very little. Most of the music I play comes through loud and clear, apart from a very loud hiss, but when the trebble and bass is not being played in the song, the music is very soft.
Oh, the radio channels and CD's play 100%, so it's not the speakers.
Please could someone tell me what each wire colour means so that I can wire my AUX connector correctly.
I have a 2004 c230 kompressor with stock radio,bought the car recently in the USA.
I purchased the aux wire but cannot find an empty plug to connect it. Based on the videos,pictures and instructions there should be that empty white plug near the glove box or under it.
Is there another way to connect the aux wire?
Thanks a lot in advance.
Hi i have a 2002 Mercedes C270 avantgarde and i have been trying to find this white connector on the side of my car but i can't seem to locate but the only thing that has nothing connected to it is this green 2 pin plug could that be it and if it's not it what does that green 2 pin do




ii have this in my car is this an AUX pre-wired