Where drilling hole for Hotwire harness?

Riddler said
Why not email them and ask. But from what I understand you can have them make it go through where you want.

Riddler

They said near the rear of the head, but real world and daily use says different on many instances. I figured I would find out with others trial and error.

HemiD@rt said
Great question. Anybody have pics of their setups?