2004 Mazda MX-5 Miata Fuse Box DIagram 2004 Mazda MX-5 Miata Fuse Box Map Fuse Panel Layout Diagram Parts: headlight, rear defroser, auto antenna, fuel injector, ignition related circuit, cooling fan, air conditioner, tail light, dashboard illumination, audio amplifier, turn signal light, antilock brake system, brake light, horn, shift lock.