There's a brown wire coming out of unit outside my weedeater caught it and rap a time or two but never broke but skn the white and red wire so we finished skinning wires and wrapped black tape around and rest the switch and nothing can u give me some ideas what to do next am I supp to wrap with electric tape?

can u give me some ideas what to do next

Yes, rewrite your post. Use some capital letters and some periods. That will make what you are trying to say into sentences. Then maybe we can understand you.