Molex header 2 pin Molex connector 2.54 mm spacing Pin header 2.54 mm spacing | | | | C10 | 1 | LED | Light emitting diode | | | | C10 | 1 | Synth_power_2x5 | 2x5 pin shrouded header 2.54 mm spacing D 3 rotary switches are actually 2p6t, which means only six different step counts are available until the replacement arrives - Wiring SW15 (once/stop) and cascade out is easier done via skywiring; only one side when convenient. You can even use a mix of the arrow indicator code to be even for the pots and switches board ("Board B") must sit a.