Quote Originally Posted by Sorcerer View Post
That is what I used to operate a "3rd" break light fired by a flasher. If your going to flash the oem tail lights you'd need to do some cutting.
He can't just splice the modulator into this inline harness ? It should then modulate everything downstream of the inline harness. It has been a while since I was in there so I can't remember all of the details.

https://www.revzilla.com/assets/0000...-21GL-0813.pdf