[quote name='allighatt0r' timestamp='1382470914' post='2252636']
Avoid troubleshooting the problem and send KiOgon a PM. Have him send you a P Bass wiring loom and then stick it in your P. His wiring kits are fantastic, and the Tone knob will actually do something!
[/quote]
This is damn fine advice. Done it a few times myself.
You shouldn't have to of course with a nearly new bass but at least you will know that all of the replacement kit is of excellent quality and well put together.