Lincoln Navigator - 2003 Fuse Box Diagram Lincoln; Navigator - 2003 Fuse Box; Do not attempt to service, repair, or modify the air bag. supplemental restraint systems or its fuses. See your Ford or. The fuse panel is located under the right-hand side of the instrument. panel. Remove the panel cover to access the fuses. Fuse Box Diagrams > Lincoln Navigator (2003-2006) Fuse box diagram (location and assignment of electrical fuses and relays) for Lincoln Navigator (2003, 2004, 2005, 2006).