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#1543
wilkie1
Moderator

See the wiring diagram for the 3PDT board shown here:

https://guitarpcb.com/wp-content/uploads/2018/05/BD_3PDT-WIRING-BOARD-v4.pdf

The CLR (current limiting resistor) is mounted on the 3PDT board.   The value is between 3K3 and 1K8 depending on the brightness you desire.

S4, S5, S6 are only used when you are wiring to the footswitch and mounting the LED on the main board.