| Car audio help please
Hi there, I would like to connect an MP3 player to my car CD/tuner, no biggy I thought.
The standard head unit is a Blaupunkt single disc player with tuner and provision for a CD changer. I have the Blaupunkt auxilary input lead which has the blue plug on one end which goes to the changer input on the back of the head unit and a 3.5mm jack on the other to connect to a MP3 device. However when this is connected the head unit is not seeing a device/ changer; hence no music out. On the pin out connections of the changer socket there are additional pins which are not connected to the lead; Vb ( which is 12v ), Data in and Data out. ( The lead is connected to AF-L, AF-R and AF-Ground )
Does the head unit require a data signal from a changer before the head unit recognises it ? and if so can this be tricked in any way ?.
Any help or sugestions would be appreciated.
I do know that the retailer "Motorworld" can supply a kit for this intended job, but at £110 I was hoping to achieve the same for somewhat less. I can have a new tyre for that.
Thanks  | 
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