Where to Punch Holes Through Firewall For Wires on a Chevy Tahoe

Where to Punch Holes Through Firewall For Wires on a Chevy Tahoe? I was not able to find any good specific info on this topic so I just got in there and started poking around. It was a tedious back and forth process (probably made simpler with 2 people) but I found not one, but two good places to come through the firewall. Check out the video and I’ll show you how i did it step by step.