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Tired of using a cassette adapter to rock the ol' personal pacification device through your car stereo? One intrepid man found a way using a 50 cent switch (we don't think he found it in da club, though) and his God-given American ingenuity to rig up his own personal auxiliary input. This only works in cars with a separate CD player and head unit, but if you're so blessed and handy with a pair of wire cutters, go for it.

Car Stereo Auxiliary Input [Matt Gilbert] [via Gizmodo]

New Car iPod Options, One From GM [Internal]