Where is the fuse for the 12v power source in a 2012 Ford F-350?

In a 2012 Ford F-350, the fuse for the 12V power source is typically located in the fuse box under the dashboard on the driver's side. There is also a fuse box in the engine compartment, which may contain fuses related to power distribution. To identify the specific fuse for the 12V power source, refer to the fuse diagram found in the owner’s manual or on the fuse box cover.