The component with the lowest price in the WIRING HARNESS schematic is the Fuse(15a).
The Wiring Harness is made up of components including this Harness,wiring No.1 which is the most expensive.
Parts such as the Wiring Harness: Horn Assy, Fuse(15a), Lock Assy, Steering, Relay Assy are included in the Tl1000r 1999 (x) Wiring Harness parts fiche.