I fitted a toggle switch (a la Tom Morello) to a friends electric guitar, but I cut the ground wire the first time instead of the output wires. I re-soldered the ground back together, but it still buzzes when the toggle switch is turned off. On, it's no problem, but when it's off, it makes a hell of a noise. If I run a ground wire from one of the pots to the output jack plate, it stops the buzz, but cuts out the signal altogether! Help me! How do I re-ground a guitar! Merlin...Joris?