Can I just check what you mean there please.
Do you mean a light on the actual switch itself?
Could I get away with a latching switch that had 2 pins if the switch itself wasn't illuminated?
Could I get away with this?
Switch Type: 1NO. 22mm Reset Button Switch. 1 Piece 22mm Reset Button Switch. It's just take you 1 minute. Material: Stainless Steel. Head Form: Flat Head. We'd like to settle any problem in a friendly manner.
The wires from the USB plug should go to the red and black wires and not to the first LED. (The black wire does connect to the LEDs, so you will be connecting to both)