2000 honda rancher es 350 please help me

Hello i have a 2000 honda rancher es 350 i have put a new shift motor shift angle sensor ecm key switch and a new rectifier and still now electric shift what i can tell you is with the rectifier unpluged the 30A motor fuse wont blow once i plug in the rectifier the 30A motor fuse blows wtf is causing this issue i have no broken wires and atv only has 1000 hours and seen more shed time than anything can anyone please help

2000 honda rancher es 350 please help me

Hello i have a 2000 honda rancher es 350 i have put a new shift motor shift angle sensor ecm key switch and a new rectifier and still now electric shift what i can tell you is with the rectifier unpluged the 30A motor fuse wont blow once i plug in the rectifier the 30A motor fuse blows wtf is causing this issue i have no broken wires and atv only has 1000 hours and seen more shed time than anything can anyone please help