Unknown cable on A500

[pontium]

Hi guys :-)

I was clearing my amiga when I saw this.I can't remember if it whas connected.Do you know what is this cable??Is it ground cable or something??Must be connected?? :-?

http://img163.imageshack.us/my.php?image=171dk1.jpg

[pontium]

When i opened it,the edge of this cable was touching the plastic.So it's not necesery to be connected somewhere,is it??

[pontium]

ok ;-)

Thanks for help