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For the illumination I´m using red and white LEDs. I did wire up everything temporarily as I´m waiting for appropriate wires. Although it´s just low current I´m not going further into detail here. The LEDs are connected to an On-Off-On switch so one can choose between white, red and off. 
I attached all the Saitek panels with some M3 screws which I spayed black (cheap black matte spray paint in a can). Just take a scrap piece, drill some holes and start spraying.
Final result:
