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[stet]

OK I will try swapping around combos but before I do will it damage anything and also why is there a 4th section on the 3.5 jack when only 3 go in

Don't worry: you will not damage anything by changing the order of the signals.

Thee phonos into a four-contact jack is correct (three signals [RWY] and one common earth [the three screens of the phono plugs]).

There are six possible combinations of three signals: just try all combinations and see if you find a combination that works.

To make it simpler to do, here are all the combinations:

RWY
RYW
WRY
WYR
YRW
YWR