Visio or Omni shapes/stencils

[aballen]

I'm trying to find s good set of shapes for a document I'm putting together.  Basically I need shapes like in Brians wiring diagrams, or Beavis wiring diagrams, 1/2" jacks, 9V jacks, pots, battery snaps, 3PDTs etc.

I have not been able to find a good set out there, does anyone know if such a thing exists?

The best I could is for guitar, it has pots, but not most of the other parts.
https://sites.google.com/site/guitarstencilsproject/how-to-use-this-wiki

[hoodoo]

http://www.ontheroadeffects.com/vectorpack/ 

[ThePastRecedes]

DIYLC is pretty good for that stuff too.