Same problem here. Hunter fans come with switches with brand name Jin You. Buy a new one at the hardware store: switch positions all fouled up. Buy one with brand name Zing Ear: even worse. These are 5-8-wire switches. Since the 2 black ground wires are the result of a Y from one ground wire, maybe these are really 4-wire? I think not. So I took apart a Zing Ear. Simple construction inside. But its secret eludes me. I'm still working on it. Meanwhile I have a Jin You in the fan, giving Medium-Low- Low instead of High-Medium-Low.