hi there. first post. I recently got a 75 cb750. I bought it from a rooftop literally. I threw the money at him. anyway 250 bucks later I had a bike that's been sitting for 24 years. cleaned the carbs and it runs great. all the lights work but the headlight I bought a new one and nothing is working. does anyone have a wiring diagram or any suggestions. I world like to be driving it next week