oops i did something wrong. i opened my old eko to change two non working tone pots. i soldered the wirings again and from the bass ..no sound .. where can i find a drawing that could let me know where i did the damage? the bass has 2 jazz style pickup 1 master volume 2 tone pots one for each pickup a 3 way swith for pickup selection. can you help me with a drawing? or a website? really appreciated!