I too have a GT-OD and just took it apart to confirm the mini-switch and "ZW-44" printed on the board.
Fun times! Except I lost the washer from the output jack so now it's flush against the pedal chassis. Not a big deal but I'm a stickler for detail.
Fun times! Except I lost the washer from the output jack so now it's flush against the pedal chassis. Not a big deal but I'm a stickler for detail.