Pioneer double din wont save settings(Solved)

[Pinchlite]

I wired all up by soldering.I did not use harness.

Everything works fine(stock 4 speakers and head unit)for know.

I have read that red and yellow need to be swapped.

If anyone knoes how to get constant voltage then perhaps let me know.

I will post more details if needed.


EDIT:Seems to be saving the time and last played song so all must be good.