Parts such as the Headlight: Winker Assy.,l,fr, Bulb, Clamp.coupler, Washer 6mm are included in the Gl1500a Goldwing Aspencade 1991 (m) Usa California Headlight parts fiche.
In this schematic the "Clip,lens Holder" is used most often.
The forty-two Gl1500a Goldwing Aspencade 1991 (m) Usa California Headlight component parts are all listed in this schematic.