Modding an LED Fan: Easy Steps to Control Colors

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To mod a 200mm LED fan by replacing blue LEDs with tri-color LEDs, a switch can be integrated into the LED loop to control the color output. The switch should be mounted in a PCI slot and designed to provide power in three stages, corresponding to each LED color, with a fourth stage for off. Understanding the current wiring and functionality of the fan is essential for this modification. Resources like the linked mini guide can provide additional insights into the fan's operation. This approach allows for customizable LED color control in a PC setup.
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I was wondering if anyone could help me with this.

I have a 200mm LED fan that currently has blue LEDs in it. I would like to swap them out for tri-color LEDs and run a switch through the LED loop to control which LED would turn on. I want to mount the switch into a PCI slot in the back of my pc. the switch would get power in from the LED loop and disperse power out in three stages, one for each LED color anode. the fourth stage would be off. anyone have an idea on how to approach a situation like this?
 
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