Lots of varibles on guitar wiring and noise.
Shielding can help, but must be grounded.
When you rewired,
Did you use shielded wire on long runs, like to a switch
Did you ground the bridge
Ground the Backs of the Pots.
keep leads short,
Are your pickups Single Coils, or Humbuckers?
Is noise better or Worse when playing close or far from the amp?
A few things to consider.