Собственно затупил кое в чем.
Имеется девайс Blitz Power Meter.
По мануалу он коннектится к ECU speed output
The ORANGE
wire needs to be connected to the ECU speed output. To locate the correct ECU pin, refer to ECU booklet.
Using your vehicles chassis and engine code to locate the correct ECU map, attach the orange wire using
the provided wire tap to the ECU speed output wire.
IMPORTANT - When installing, ensure that the orange wire is connected to the ECU speed output before the
speed de-limiter or speed converter (if fitted). If it is connected after this, it may cause incorrect operation of
the unit.
Открываю Section EFI System.pdf я вижу 3 подходящих варианта:
37 Vehicle speed sensor
33 Engine speed signal to ECU
31 Engine speed signal
Какой выбрать а то не хочется мозг кромсать путем тыка )))