Long story short, putting together a fixer upper I bought and there are two black 1/4 lines that run from breathers in the sides of the ski back into the engine compartment, I can not find where they connect to, is it possible one is for the battery vent and one is #10 below?

Thanks
Ignore the pic below, can not figure out how to delete it.

Thanks
Ignore the pic below, can not figure out how to delete it.