I have an MXR micro amp, one of the old ones without the the light that shows if its on. Its a really great pedal, but a wire came undone in the inside, and i have no idea where it could go, i've tryed just placeing it in diffrent places, but i just cant figure it out. does anyone just have some kind of wireing diagram for a vintage micro amp? does anyone have a picture of the inside of one of theyres? anything would be helpfull cuz its a great pedal, but i can do alot of other things with a spare 80 bucks thanks!