* Your Owner's Manual: This is the first and best place to look. The owner's manual will have diagrams for all fuse boxes in your specific year and model F-150.
* Inside the Fuse Box Cover(s): Many F-150s have diagrams printed directly on the inside cover of the fuse box(es). There's usually one under the hood and another inside the cabin (often under the dashboard).
* Ford's Website: Ford's website offers owner resources, including manuals and diagrams. You'll likely need your vehicle's VIN (Vehicle Identification Number) to access the correct information.
* Online Repair Manuals: Sites like Haynes or Chilton offer repair manuals, often including detailed fuse box diagrams, for a fee.
* Independent Automotive Websites: Some automotive websites might have diagrams available, but always double-check the accuracy and relevance to your specific year and model F-150.
Important Note: The location and layout of fuse boxes can vary significantly depending on the year and model of your F-150. Always use the diagram that corresponds exactly to your truck's year and model.