Kenwood KDC-135 CD Player "5555" Questions

manual please http://caraudio.manualsonline.com/manuals/mfg/h_b/ca-5555i.html

...they will be glad to give them to you or start with 0000 or 1234 first or 1111, 2222, 3333, 4444, 5555,ect

I was given a H&B CA5555, without the main plug and connections do you know where i could get this?? I am looking for a connector as well of my brand new H&B 5555Where did you find one ?I ...

radio code The serial number for a vauxhall astra car 400 stereo is GM0400X2204014. Can anyone supply me with the code? You can buy from several places on the net, but sometimes the default is 5555