I bought a new condenser fan motor and I only has a black/white and brown wire. I bought a run capacitor with it but do I need a dual run capacitor where I can hook the compressor and the fan motor up. The old capacitor has a 5mfd rating and the new motor has a 7.5mfd rating. The compresser has a 40uf rating. Would I need a dual run capacitor of 40/7.5 at 370vac??