This schematic depicts all components used in the Gl1500se Goldwing 1999 (x) Usa California Cb Transceiver - Se partslist.
The most reasonably priced component used on the Gl1500se Goldwing 1999 (x) Usa California Cb Transceiver - Se is the Screw-washer 6x12.
On this parts fiche the Knob,cb is the most specified component.