1. Go to the official Harley Davidson website (harley-davidson.com) and click on the "Owners" section.
2. Enter your motorcycle information (year, model) and VIN.
3. Select the "Service" tab and look for the "Wiring Diagram" section.
4. Click on the "Download" link and save the diagram to your computer.
This diagram should provide a detailed view of the wiring system on your Harley Davidson Road King. However, it's always a good idea to consult with a certified mechanic or refer to the official service manual of your motorcycle for accurate information.