I suspect my voltage regulator is going bad so i ordered a new one and it appears to be an upgraded version ......problem is my old one has one yellow wire coming out of it and 2 brown one's grounded to a bolt that holds the regulator on the machine .......the new regulator has a yellow and brown wire out of the regulator in one plug is the brown wire from the regulator a ground? not sure how to hook up the new one ...any help would be appreciated