Hi can anybody help have recently taken off my 2 way switch downstairs and my 2 way switch upstairs,but didnt check where the cables went!I reconnected i thought in the right way but now downstairs works and can turn lights on and off but when i go upstairs and try to turn switch off nothing happens!I have read books how to connect but there seems to be 4 cables into the upstairs switch and two into the downstairs switch!Totally confused can anyone help????