Disregard what I posted below. This page should help:
www.indicatorlight.com
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Do you know how to use a multimeter? You only need 2 of the connectors, assuming it's a spst switch. My guess is that it isn't, (might be an spdt switch) and you will want a different switch.
How to Wire a Push Button Switch
Do you know how to wire a push button switch? There are many ways of wiring the same button, let me introduce you to several common wiring methods.
Do you know how to use a multimeter? You only need 2 of the connectors, assuming it's a spst switch. My guess is that it isn't, (might be an spdt switch) and you will want a different switch.