Let me try to explain this so i get my question across..
I want to have my brake lights "flash" , like the kuryakyn 5492 part, i have seen on web..
can this be done..my tail lights are only 2 left and right...no large center brake light on this year model. thanks for help..

 

Give these people a call. I'm betting they will answer "yes" to your question.

http://www.vizi-tec.com/brake-light-modulator/

 

I have just what you are talking about . It is a little module that you splice into your brake wire up under your seat. It flashes 5 time then goes solid. I paid around $10 on ebay for it.The module has the name Rear Alert on it it is about 1/2" X1" X 1 1/2"