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Discussion Starter #1
Hi All!

The Apexi S-AFC Manual carries that ECU label F4-a picture (pg 56) for this ECU.

There are 4 sockets where the 3 one from the left is blank. There are 4 rows of pins.

What I would like to know, what addition functions a WRX wiring harness carries beside boost compare to the RS or any other ecu in a NA model?

Do anyone have a picture or pinout of the WRX wiring for the ECU?

Also, by any change, if you have the connectors, can you swapped the ECU's?
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