Without some wiring/ground tricks you can do it w/ factory wires. Since I dont want to see you char-broil your car, I cant tell you.
The 194's with a drilled hole, now there's a stroke of genius! I probably would have never thunk it, not even with someone else's brain!
Good luck, work safely
Ozarks Honda Specialist is committed to non char-broiled cars, and to being the very best!