Thanks everyone for the input so far!
So I will be tearing out the wiring from above and starting from scratch. Few questions from the experts here:
1.
Running a direct line (constant) from the head unit to the battery what gauge wire would you recommend??? I'll be adding an inline fuse of course and it seems like 15 or 20a would be the best.
2. Where have some of you tied in for switched power?
** With the head unit I do not have a need to tie in for illumination - so not worried there.
** Speakers I have finally worked around the fader and used new wires to all four speaker areas. 9 volt battery is your friend there
I have never used a direct line to the battery so this is new to me (always had a harness or paid to have the work done) - thus all the questions. I want to do this install myself so appreciate the help.
Erik