Your JVC radio must has J-link CD changer port at the back in order to work.
Connect your DVD player, MP3 player, game console, XM, Sirius with this cable through the RCA jack using this great cable!
In order to use this accessory, the JVC headunit manual must indicate Aux. input option using a KS-U57 or KS-U58 adapter.
JVC stereo will not recognize or detect the cable after plugging it. You
will need to activate the correct source that is EXT IN on the JVC for
audio input from this adapter! (do not use AUX) You can do it from the
menu. Then use the SRC button to select the source. If you are not sure
how, please refer to the user manual.