Something sounds wrong. Did you try tapping the polepieces with a screwdriver (or a key, something metal) to see if all the switch connections are working properly? So for example in position 1 you should get a sound when you tap either coil of the bridge pickup, in position 2 you should get a sound when you tap the two inside coils, etc.
Which BKP models do you have, by the way?
No but i get sound from each switch positions, and it sounds like it change sound the kind of way it should do.
Its a set of nailbombs, it sounds dull and weak, lower gain, alot lower volume , very bad low end response, sounds awful, sustain is not good at all, (it was amazing sustain before) sounds like i play a 50 euro guitar, but it is a 1890 euro one. Still there is no buzzing or wierd noises as it could be with bad wiring
Its wired exactly like the diagram i posted in first post, but with right colors for BKPs