Hello, my name is ***** ***** I will be assisting you today. As I understand it, you have the racing wheel plugged in the the Xbox One via the USB cable and then have a separate power cord which is also connected to the wheel. Is this correct?
I have found a logitech web page which addresses when the wheel doesn't respond when connected to the Xbox One. Rather than type them in here, I am including a link to the article with the instructions. Please try this and let me know if this fixed the problem. Here is the link:
This is Gary from JustAnswer. Just checking in to see if you need further assistance. Please let me know.