speakers gone dead

[skyline matt]

i was fitting some rear speakers jlaudio's and all of a sudden they wouldnt work unless i pushed them in a bit then nothing


fitted some others in for now so i know the wiring is ok and still the jlaudios wont work not even conected to another source

anyone have any ideas other than there fkd please?

not very old so i hoping they might be under guarentee still

thanks
matt