You will need to edit the W-2 (if you have entered the one with all the info)
How to edit a W-2 in TurboTax:
- Open or continue your return.
- Select the search icon at the top of the page and search for W-2 and select the Jump to link.
- Select Work on my W-2 now and Continue.
- Select the pencil icon next to the W-2 you need to edit.
- Scroll down to the State information section.
- Just below the NY info you have already entered select Add another Row.
- Continue adding the NJ only info.