I tried this and it didn't work - although I probably made some mistakes .
If you create a diagram that would be most helpful!
Here is how I understood it
2) solder 2 47nf caps to pin 2 and pin 4 of the PCB
3) Solder a 100K resistor between pin 4 and pin 8 of PCB
6) Solder footswitch (FSW)...