The Fuel Tank assembly is constructed from several parts from which the Control Unit,engi is the most expensive.
The forty-four Gl1500se Goldwing 1990 (l) Usa California Fuel Tank component parts are all listed in this schematic.
Some items from this specific schematic: Tube,fuel (b), Clip,brthr.tube, Control Unit,engi, Clamp D 12.0 Tube.