When playing, if my finger hits the pole piece on my Dimarzio Ultra Jazz five pups, there is a massive amount of buzzing. The thing is, it only happens with the pole piece closest to the treble side, not the other one sensing the D string. I grounded both the green and the grey wire's from the ultra jazzes, everything else is grounded except for the bridge, which I couldn't get the solder to stick too. The buzzing stops if I touch the pole piece and another metal part of the bass excluding the bridge or strings. Also, I don't know if this is normal or not, but output drops as you pan toward the center of the pickups in the blend knob. Once there, the output is noticably lower than panned to either full bridge of full neck. there is a trebly hiss that dissapears completely when I touch a metal part of the bass (excluding the strings or bridge), any clues on how to get rid of that. Sorry for the long post and thanks in advance for any help you can offer.