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I just picked up a Airtronics CS2P with a 99236 receiver and am trying to figure how to use futaba connectors on it, but I seem can't to recall whether or not that airtronics stuff was wired differently?? Is the signal wire the same way as "futaba"? (to the inside of receiver) or was the positive and negative different? ...or are the same as "futaba" ..... or am I just getting old...?

The old style receivers had power and ground swapped. Signal towards the center of the RX just like fut/Jr but power towards the edge of the case and Ground in the middle.