Lincoln Navigator (2003-2006) < Fuse Box diagram Fuse box diagram (location and assignment of electrical fuses and relays) for Lincoln Navigator (2003, 2004, 2005, 2006). Lincoln Navigator - 2006 Fuse Box Diagram Lincoln; Navigator - 2006 Fuse Box; AUXILIARY POWER POINT (12VDC) Power outlets are designed for accessory plugs only. Do not insert. any other object in the power outlet as this will damage the. outlet and blow the fuse. Do not hang any type of accessory or.