Hi Allen, Try the link below if you wish to learn in a fun way, how to program the 16F(C)84. If you can display a gif file I can send you a schematic, which shows one way to connect a car coil to a PIC input. Regards Tony PicNPoke Multimedia 16F84 Beginners PIC Tools. PicNPoke - PicNPlay - PicNPlan - PicNPrep - PicNPost Plus DT type saver. New addition - PicNPort I/O Tutor. http://www.dontronics.com/picnpoke.html