refer from http://www.pechorin.com/m/2004/01/22/Error_Codes_Assistance-208526.html Hi, I found your name in a web search and was hoping you could help me, I have a head unit and cd changer that is showing a e-04 when I try and play a cd, if at all possible can you help me with this fault, thanks in advance the unit in question is an xrc-330 head unit with a cdx705 10 disc changer Thanks again Nic.

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