Any electrical guru's know off hand what these are for?

What you need is a print out of the factory wiring. Or a really good book.
It'll take me a day to dig mine up and a scrounge around the sheets. But I *might* be able to help. You could always use a test light to see when/if there live or not.

Now I'm not so super sure in this case BUT often the OE. would make 1 harrnass that was capable to handle everything available in the car. Now if the customer didn't order.... Let's say A/C, the pigtails would be there in used.