A 2003 Ford F-450 Super Duty typically has three fuse boxes: one located under the dash on the driver's side, one in the engine compartment, and one in the rear of the vehicle. The exact number of fuses can vary by configuration, but there are usually around 30 to 40 fuses in total across these locations. You can find the specific fuse layout and details in the owner’s manual or on the fuse box cover.
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