why this kolaveri.I know all the termninals.
in the picture
1.one line which has a three pins
the centre one is common
and the two terminals for applyring the voltage.
2.in the second which has a two pins
keep the multimeter in the continuity mode.keep one terminal of the mulimeter into the common.and check the othere side terminals /if multinmeter beeps that is NC.and another one is NO.