WHAT YOU NEED
A mono audio jack wire in the standard headphone size .. look in picture You can get it from a stereo
rock band foot pedal or similar thing with audio out port as connector
Most of the pictures aren't my property but fellow guitar heroes here on Instructables. Likewise, most of my ideas are based off of theirs as well.
Step 1: Open Up Your Guitar
Step 3: This Thing! What to Do
In the picture here you will notice that there are 4 solder points in the blue outiline.
these are on the nice big green chip. good. pick two of them either both rights or both lefts.