I finally finished routing the power/remote display cable to my V1:
I pulled off all the trim, fished the original flat phone cable that came with my V1 through the inside of the hollow frame of the windshield and down inside the A-pillar to the fuse panel:
Unfortunately, I bought the wrong size Add-A-Circuit, so I'm not quite finished. When it's done, however, it'll be totally clean and invisible. I'm totally pleased with the results!