This wiring diagram and electrical system troubleshooting manual are part of 1996 Mazda Millenia workshop manual. The electrical system is divided into 2 mains sections, engine and chassis/ body electrical system.
The engine electrical system covers topics on battery inspection and recharging, generator system inspection, removal/ installation, assembly and disassembly, ignition control module, ignition coil, distributor removal/ installation, high tension lead, spark plug, and starter system.
The body/chassis electrical system includes discussion on power system (main fuse, room fuse, ignition switch, key reminded switch, and joint box), central processing unit, exterior lighting system (headlight, turn light, fog light, flasher unit, combination switch), interior lighting switch (interior and spot light, courtesy light, door switch, trunk compartment light, panel light control), windshield wiper and washer, instrument cluster, information display, horn, audio, amplifier, CD changer, speaker, power antenna, audio relay, noise filter, cruise control system, and air bag system.
In the general information section you can find also description and explanation about electrical troubleshooting tools (test light, jumper wire, voltmeter and ohmmeter), electrical parts (battery cable, connectors, terminals, sensors, switches, relay), wiring harness and fuse.
Find more information about 1996 Mazda Millenia Wiring Diagram and Electrical System Troubleshooting here – http://www.carlibrary.ru/mazda/626/service/1996_mazda_millenia_workshop_manual.pdf – free download PDF file. (source: carlibrary.ru)