Well, another shielding thread.... I totally shielded my bass today, PU routs, wires, covers, full cavity... shielding. My voltmeter beeps all over the bass like a bad word on TV. I plug it in... let's crank it up.... All I hear is "Radio Gaga". What is going on? I did the shielding job just to prevent this. Can I only play gainless bass? Me like overdrive much! Are there other possible causes? Any help is welcome.