how to separate uv maps I started with one mesh and then separated it later on.
When I now try to paint on one, I paint on both. 

How can i separate the uv maps or do something else to prevent that?

thank you for all the tips and ideas.
the head and the body are 2 different objects.


I know the map isn't very clean. learning to do that these days.
Dont give the same material to both meshes, since you are painting on the same image it will affect the other one.