OK I need some pro help here. Brand new Bass - MIM 50's Precision - got in the mail yesterday - factory sealed. Turns volume knob to 10 - barely any sound at all. Turns Tone knob up and there's a volume sweep (maybe 20% of "normal" output) but it blends in tone as well as you sweep up. Looked at wiring diagrams last night, checked ground which is solid for sure and based on 2 different diagrams I changed location of ground from Tone pot to Ground side of jack and ground side of volume. No difference in result. I'm good at wiring and great at soldering, but complete garbage at diagnosis. Any thoughts from the pros on here?? I can rewire the whole thing, but I'd rather replace/repair what's really wrong instead of throwing $50 at the problem and totally ripping the guts out and redoing the whole thing. Plus I get to learn something about troubleshooting this way. I can answer any other questions you might have for me in an effort to get this righted. Save my NBD please! BIG THANKS just for looking! I appreciate the insight.