What's up g20 friends I need to make a a conversion harness or if anyone know where I can buy one that does not cost me 200$ that would be nice. I found this on sr20 forum http://www.sr20forum.com/technical-information-library/127875-how-make-obdii-obdi-adapter-plug.html but the speard sheet does not work. Anyone can please link me something or help me out that would be great thanks