I am trying to install the hk unit fof my ipod. Using the 9v method. Looking at guide <A HREF="http://manuals.harman.com/HK/Owner%27s%20Manual/DP1_US_revB_f.pdf" TARGET="_blank">http://manuals.harman.com/HK/O...f.pdf</A>. page 5 diagram. were i am running into a problem is the antenna in cable. Do I have rip up the center concal to install this wire or is there a connection near amp.