The bass came to me with what seemed to be a grounding issue. I remedied that by basically soldering piece of conductor onto the back of the pots and then connected them to the ground connection . After that I realized that the treble pot was busted so I proceeded to replace it with another 50k pot. After that the bass doesn't produce sound anymore. I know the pups are working because I cranked my amp really loud and I can hear the guitar as if the pups were passive. What do I do from here?