hi all, ive had a sony head unit in my car 4 a while now but without the cd changers that comes with it. i finally brought the cd changer from a friend the other day and got all the leads but when i connected it up and press the source button it says " reset" and other times it says "no mag" does any one know what i should do to correct this problem? the number on the front of the head unit is xr-ca430x and the cd changer says 10 cd changer cdx-656 1 bit d/a converter super suspension any help would be greatly appreciated - cookie