I have this "atx break" for my A5. It's two 24-pin atx connectors with the green #16 wire ps_on replaced with a long wire to relay on A5. It also has a wire added to both #7 and #9 pins corresponding to Standby that route to a standby switch on the A5. I should be able to splice these wires into my ps atx connector, right?

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Can anyone shed any light on what the third wire is for the relay connector on the A5? Diagram (above) is for A4. A5 has 3-wire relay.