Parts such as the Turn Signal Lamp: Relay,turn Signal, Gasket (nas), Bulb(12v23w,stanley,a4577a), Gasket (nas) are included in the Gs650gl 1983 (d) Usa (e03) Turn Signal Lamp parts fiche.
The Turn Signal Lamp is made up of components including this Lamp Assembly,rear Turn Signal which is the most expensive.
This schematic depicts all components used in the Gs650gl 1983 (d) Usa (e03) Turn Signal Lamp partslist.