Progress!
Finally got a little time to work on this again and enough courage to cut into the windshield for the wiring.
View attachment 274272
I made some grooves to allow for all the light bar wiring to pass through, as well as the speaker button.
View attachment 274273
Confirmed placement before I secure the lightbar and speaker button to the roof and do the fishing touches with paint. Considering concealing the mess of wires coming from the light bar, but I'm not certain yet. This may be as good as it gets with this tiny car.
View attachment 274274
The underside. Yea...wire management is my next nightmare. Also, need to secure the speaker (somewhere)