Little help for my car?

[squeeforever]

Hey guys, usually I'm pretty good with electronics and such, but this has me completely baffled. I'm trying to figure out how to wire up a switch for my car. Its a simple on off switch with a LED in it, but it has 5 pins (WTF?). Any help here (that means YOU Brian!) would be greatly appriciated. Basically all I need it to do is turn my interior LEDs on and off. I'm not sure if I want the LED on all the time or not though. I'll have to figure that out later. Anyway, heres a pic.



As you might be able to see, theres a + and -. I took my volt meter and put it on LED and found that the LED is powered constantly (whether its on or off) by the outer two pins, but thats all I can really figure out.