I've edited my previous post to add an extra diagram that overlays the layout's wiring colours onto the schematic, so you can see which wires form which links.
Also, I just did a quick resistor test with some red LEDs and the 10K was actually much brighter than I expected, should easily be bright enough for most pedals. The camera has distorted the actual colours a bit in this image, but it gives a good indication of the relative brightness/intensity. Left to right the resistor values are: 10K, 4.7K and 1K (on a 9V supply). There's room to go even brighter with these LEDs, but this was enough for the demo. So, I was wrong, your schematic's 10K values should work nicely for low intensity indicators.
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