This LED switch is about $3 at Wal-Mart and it's built with the correct resistor (inside the heat-shrink). To get the LED out, grab the silver barrel firmly (you should hear the glue inside crackling as it breaks free), twist & pull it straight off the lever. Then pull the LED straight out. No other disassembly is necessary, and the switch can be used without illumination, but it's really a crappy switch.
IF THE IMAGE IS TOO SMALL, click it.

If you have an LED without a resistor, use this to get the resistor rating:
http://led.linear1.org/1led.wiz

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Owner caption March 2007 · Photo 1499 of 5000