manual to power mirrors. how?

besides the power mirrors and the switch, what else do i need to have power mirrors?
http://cgi.ebay.com/ebaymotors/_Car-Tru ... .m14.l1318
i was thinkin about these
http://cgi.ebay.com/ebaymotors/_Car-Tru ... .m14.l1318
i was thinkin about these