I just got my new toys. 2 headrest hu/gps. Installing in my is no problem. My question is how to get the power and ground to all these units, shoul I just run a 12 gauge fused wire to bat, and wire up this way. I cat find splitter for this size, I did find wire barriors but dosnt look like it would work. I want to do a clean install. Pls help. Thnks