Find more about Nissan 300Z Fairlady Z Electrical System Service and Troubleshooting here – 133 pages of PDF filetype. The article is divided into sections as follows: harness connector, standardized relay, power supply routing, battery, starting system, charging system, alternator, combustion switch, instrument switch, headlamp, headlamp aiming control, exterior and interior lamp, meter and gauges, warning lamps and chime, time control system, wiper and washer, audio and power antenna, automatic speed control devices.