[a7ecorsair]

Im wireing my detached garage and ran 2-2-2-4 alum wire 120ft in conduit. Im at the stage of hooking it up in the 100amp box. I found the black- white- ground but no where to hook up the neutral. Any answers

If you have a black wire with a white tracer, it is the neutral.
Also, in addition to the other postings, what size breaker are you connection to in the main panel?

 

[a7ecorsair]

What size breaker are you connection to in the main panel?

You didn't answer this question. We know you have a 100 amp panel but what size breaker in you main panel will you be connecting this wire to?