What kind of pickups... because usually the brand will have diagrams on their sites... i know for a fact that Seymour Duncan has diagrams.

step 1) buy pickups from me
step 2) i'll send you wiring information

just kidding. check the company website.
Support your local luthier!

Timpson Guitars and TDM Pickups rock ;D

I make guitars and pickups. I also make sh*t that'll blow you the f*k up as well as things that will rebuild you - I have the technology