Fuse & Relay for 2010 Ford F-350 Super Duty | OEM Ford Parts OEM Ford Parts - Fuse & Relay - Electrical OEM Ford Parts Online for 2010 Ford F-350 Super Duty XLT Ford F-350 - 2010 Fuse Box Diagram F-350 - 2010 Fuse Box; AUXILIARY POWER POINT (12VDC) Power outlets are designed for accessory plugs only. Do not insert. Always replace the cover to the passenger compartment fuse. panel before reconnecting the battery. If the battery has been disconnected and reconnected, refer to the.