Hello,
Do you know where the seat buttons are fed? I know that those that do not have the SMFA or SMBF module under the seat are fed directly from pin 9 of the connector X275 and X279 respectively. I've been looking at schematics and apparently it's pin 6 of the X275 or 6 of the x276. I don't know what pin 7 is for, I can't find it in the diagrams.
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A greeting and thanks in advance