The following article about Nissan Pulsar/ Sunny wiring diagram, harness layout and electrical system troubleshooting is actually part of a service manual. Here you will find detail explanation and description of the entire electrical system of the vehicle which cover harness connector, standardized relay, power supply routing, battery, starting system, starter, alternator, charging system, combination switch, headlamp with and without daytime light system, dim-dip lamp system, headlamp aiming control, headlamp, exterior and interior lamp, meter and gauges, warning lamp and buzzer, wiper and washer, horn and cigarette lighter, clock, rear window defogger, audio and power antenna, location of electrical units, harness layout and super multiple junction.