Suzuki DF200/DF225/DF250 V6 4-Stroke Outboards Service Manual, Page 137Get this manual
ELECTRICAL
Sub fuse case 1Disconnect battery cables from battery2Disconnect white lead wire of fuse case from terminal (A)3Check continuity between White lead wire with plate terminal and the white lead wire of ECM main relay connectorIf no continuity is indicated, replace main harness andor fuse2 2Sub fuse
ECM main relay