Sounds like it could be a hot/ground swapped issue somewhere, but need to see the pics before we can be sure. The server seems to be having some issues with image uploads at the moment, so hopefully it'll be fixed soon.
So there are the images of the circuit board.
This is how it comes.
This is how you wire it up.
I try different combos but the only thing that work OK is to connect the bridge and pickups earths together and leave them floating. Doing this the guitar is has quite as a mouse and all controls seen to work OK. Any ideas are welcomed.