Help - need 250W ballast

[Werbo]

Originally Posted by spit.fire

I've got a vertex 250w and a dual 250w galaxy (one side is dead)

Lmk if you're interested in either

Both are electronic

I also have a dead ballast in my 250W galaxy ballast. Does anyone know if I can swap out the good ballast to salvage one good dual ballast? Is it plug and play like the guts of a computer?