Tried to connect my Sony experia via this with a male to male audio lead to play some tunes, set the unit to aux and all I got was a lot of noise but no music.

Can anyone advise or help

what i tend to find is that connect the phone select aux then pull out the jack plug to the phone and reconnect, but make sure you push in fully,

some of the jacks have a plastic shroud that just stops the pins from going in far enough to make the proper connection. I've had to trim some of the plastic off sometimes to get the right connection. Bodsys Brake Bible
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Bought a new lead and all is working, thanks for the advice people