Don't know if I can post pic , the piece in guestion is flat with 3 lower post , white ( hooked into engine ) grey wire red wire a white wire on top post runs into engine , red wire is marked b+ and runs to red/blk on other side of connector , that grey wire does not show anywere on schematic , I was hoping someone out their had this mower and could tell me were theirs hook up, mower runs lights work but that flat card looking rectifier is getting hot on white wire over the grey so I unhooked it cause I spliced it into red and ran both to red / black , oops