Replacing a diverter valve(sku 1882640701) in a Beko dishwasher (DWD8657X) however there are three wires to be connected(a red, a blue and a purple with two wires to the one connector) and three connectors labelled 1,2 and 3 on the valve. A note was made of the wiring at the time but it’s been lost so can anyone tell me what the correct wiring is please?