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Just finished building a bacon bits booster pedal. I usually use green LEDs with my pedal builds but I only had some Ultra bright blues on hand that I picked up on the cheap from Tayda. I was contemplating just ordering some new greens and replacing it, but I seem to recall reading somewhere that increasing the value of the LED resistor can dim the brightness. I'm currently using the standard 4.7k that madbeans suggests, anyone had any luck with dimming these ultra bright blue LEDs and if so what higher resistor value works well in accomplishing this?

Here's the specs of the ultra blues from Tayda:
Emitting color: Blue
Diameter: 3mm
Lens color: Water clear
Usage voltage(V): 3.2-3.4
Current(MA): 20
View angle: 20 - 25
Luminous intensity(MCD): 18,000

I've just finished building a green russian mudbunny.
The pedal works great and sounds really good, but the LED doesn't come on when the pedal is on.

The mudbunny build pdf doesn't show the chasis wiring, so I just followed the standard madbean pedal wiring on the project home page: http://www.madbeanpedals.com/tutorials/downloads/StandardWiring_MBP.pdf

I've wired the pedal using the 4.7k resistor shown and I am also using a 3mm Green LED.

Based on the wiring diagram I used any ideas of what I may need to do to get the LED to turn on?