Been wanting to do this forever now. I always liked how newer, sometimes even older, cars had turn signals that toggled back and forth. So I decided to do it myself. Extremely easy, takes about 5-10 minutes per side, and only cost me about $5 for some wiring connectors.
http://www.youtube.com/watch?v=ZJXb3V08Ohk
Please excuse the cheesy video, I suck at video editing.

