Looks like signal comes in the instrument cluster on pin 24 on the red connector and goes out the same connector:
ECU pin 19
gearbox pin 9
ABS pin 13
and pin 23 for everything else ( radio, climate control, servotronic, cruise control.etc)
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Currently 8less
2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D
8 history:
2006 A8 Sport 4.2TDI quattro SOLD,
1997 S8, reached end of life with gearbox failure
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