Continued...

Soldering on the other side, quickly yet again.
led solder - LED for reminder

Then I connected the other end of the resistor to the positive wire going to the power supply.
led solder1 - LED for reminder

Soldering on the other side, quickly yet again.
led solder - LED for reminder

Quick test.
led test - LED for reminder

Next, I used a candle's flame to shrink the tubing over the soldered connections. Just keep it moving over the flame, never too long in one spot.
led heatshrink2 - LED for reminder

led heatshrink3 - LED for reminder

Once done, I had to drill a hole in the fan bracket to hold the LED in position. This is an older bracket I made a long time ago, back when looks didn't count. The LED is clear, so it is almost invisible in this image, facing directly at the viewer.
led in fan oo - LED for reminder

fan bracket f - LED for reminder

From the backside.
led installed back - LED for reminder