you could try taking a multimeter to it and measure resistance, when you get a reading that is valid, then you know what is paired to what (not sure if that will work, but it seems like it should)
wait, didn't see his sketch. nevermind
you could try taking a multimeter to it and measure resistance, when you get a reading that is valid, then you know what is paired to what (not sure if that will work, but it seems like it should)
wait, didn't see his sketch. nevermind