Rappy 2002 I think someone added a wire on my bike.On my big black groung wire on side of engine has a small black wire also comming out of it,then it goes under middle of bike fenders has a plug ...all hack looking job.does this extra wire belong.Also the coil wire on tot of left side the black wire goes into the harness & then where does it come out at/Is this a ground????Help.Thanks for any help.This forum is great guys keep up good work.