Powersteps installation question?

I am thinking to install amp powersteps by myself. I watched tons of videos and in all of the videos they are cutting rubber seals under carpet to bring in the wires. I am just wondering if anyone knows how to bring wires in without cutting rubber seals? Now most of the people might not have any experience but let me know if you installed steps by some other way.

 

Drill a hole.


Yeah, I'd rather go through a rubber seal.

 

Slice the rubber with a razor. Push wire through. Silicone it.

 

I just pulled the rubber grommet out and cut it with a razor blade like an X. Then ran my wires through it. No silicone at all. But I have used a drill too. Just take you time and make sure you run your wires down to the steps the right way(ask me how I know this). It took me about 6 hours by myself and trying to make sure I was doing it right.