Where can I find a locking hub diagram for 2000 excursion with auto and lock option?

You can find a locking hub diagram for a 2000 Ford Excursion with auto and lock options in the vehicle's service manual, which is often available for purchase online or at auto parts stores. Additionally, websites like Ford's official site, automotive forums, or repair databases such as Alldata or Mitchell1 may provide detailed diagrams. You can also check YouTube for repair videos that might show the locking hub assembly visually.