Hi Ozzie, have a look at this thread as I have already done what you are contemplating on my EX-5. Suggest you also grab a LP style 3 way switch and run master volume & master tone as that will be much easier to work with.
http://www.buildyourownguitar.com.au...t=4257&page=13
http://www.buildyourownguitar.com.au...ead.php?t=6476
Cheers, Waz