This GRIP HEATER GL1500 assembly utilises two Cap Grip Heater(s) - the highest specified component.
Parts such as the Grip Heater Gl1500: Grip Heater Sw, Heater R Grip, Cap Grip Heater, Grip Heater Gl1500 are included in the Gl1500a Goldwing Aspencade 1999 (w) Australia / Kph Grip Heater Gl1500 parts fiche.
The Honda GRIP HEATER GL1500 has five products enlisted in the schematic.