I think I understand, but still pretty *dumb* to how all of this works. So to test the switch, I use a paperclip? Please explain... 
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Somewhere about where the ends of the red arrows are should be the back side of the switch. Short (jump) across the metal pins that the wires are soldered to with the paper clip (or any other small metal thing) to see if this fire the atty (do several times to see if it hits every time) If it does then it does sound like a bad switch.





