Honda GL1000 was first introduced in 1975 by Honda, it was produced until 1979. It has 999cc horizontally opposed four-cylinder engine featured liquid cooling, which was the first for a mass-produced motorcycle at that time. The above picture is an illustration of Honda GL1000 wiring diagram. If you would like to have or examine more detail on the diagram you can follow this link here or just click on above image. This wiring diagram and electrical system schematic apply for 75-77’ Honda GL1000 Goldwing series.