I don't have access to my equipment right now '-_-
But when I can get to my grandparents' house, I'll load up my emulator and look for the hex address of Link.
Don't get your hopes up, though. I've never done sprite replacement.
I made a thread like this on Zelda Universe, and I figured it'd get more responses here. No one even answered it on ZU.
So here's the text of the original thread.