Originally Posted by SGD Lutherie
Hum, or buzz? Humming can be cause by single coil pickups. The high pitched buzzing is usually fixed with shielding.
Buzz might be the better word.
It was a case were I'd play and noise happens when there was no skin contact with any metal. Strings, bridge,knobs,etc.
*By the way,...Just what part of the bridge is the ground wire soldered to?..The underneath?
I have a standard P-bass copy.