hi. I just bought the jb/jazz set. I installed them properly, just replacing stock pickups. I installed thinking of standard humbucker setup. all the wires are solderes right and isolated, but when I use the pickups individual, they have a little hum, and when I put the 3way swtich in the middle (using 2 pickups at the same time), the hum dissapears. its like they were acting like a single coil?? but no the sound, the hum cancelling.
can anyone help me? is it that way? thanks.