Check out this link. This is how Fender wires their American Tele w/ a humbucker and SC. They use a 270k resistor. I bought a resistor to do this, but I haven't tried it yet (I do have 500k pots installed). I have a SD Seth Lover neck and JD bridge I was trying to balance out a little better.
http://www.fender.com/support/diagra...118600APg2.pdf