The most reasonably priced component used on the Gs250t 1980 (t) Usa (e03) Wiring Harness is the Lock Washer.
Parts such as the Wiring Harness: Switch Assembly,ignition, Clamp(l:250), Horn Assembly, Spring are included in the Gs250t 1980 (t) Usa (e03) Wiring Harness parts fiche.
The Wiring Harness assembly is constructed from several parts from which the Switch Assembly,ignition is the most expensive.