@Shortt5you shouldn't have to override anything on 3468 to get the right % credit.  you need to make sure you answer all the questions above in Part I of 3468 in order for the 30% to populate automatically.  IRS expanded this form from like 3 to 12 pages this year or something crazy like that.  they now require all the information regarding the system (AC/DC watts, location, etc) and you need to answer the Yes/No questions to get the 30% back on solar.

also, i assume you are referring to form 3800, not 3500 for general business credit.  you do not need to to enter anything on 3800 either - once you have successfully filled out 3468 on Proseries, 3800 will populate automatically with the credit from 3468 and determine the max allowed for the year.