identifying random plugs (picture included)

[qikteg]

i'm identifying the last of the plugs on my loom, and i've come down to these two things. I don't know what they are, and i can't find them in the FSM. Its from an obd0 B-series loom.



on the left is Yellow green, on the right is black.

what are they, what do they do, and where do they go?

thanks CRXer and ECU-Man in advance (and everyone else of course)