Where is the blend door fuse on 2005 Peterbilt 379?

The blend door fuse for a 2005 Peterbilt 379 is typically located in the fuse panel, which is found under the dashboard on the driver's side. You may need to consult the truck's owner's manual for the exact location and identification of the specific fuse related to the blend door, as the layout can vary. Additionally, it's advisable to check for any labels on the fuse panel cover for guidance. Always ensure the vehicle is turned off before inspecting fuses.