the middle wire on the speedo block on the engine by the gear lever in the engine
install taxi meter on volvo s80
you need to buy a CANBUS INTERFACE
The speed pulse wire on a 2009 octavia is pin number 9 on the multi plug connecter on the back of the speedo cluster , remove plug and all the pins are numbered .
Meter is a result of the periodic effect of pulse/beat in music
remove the stereo with two radio pullers in the side slits on stereo there is a blue and white wire that gives you a pulse
on the back of the stereo . middle plug green wire with white trace
square pulse signal
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Taximeters are an electronic piece of equipment that counts the pulses coming from a sensor on the transmission. The signal from the transmission is in the form of a pulse which the meter counts and then determines how far the vehicle has traveled.
both are playing correctly
It depends on what type of signal the meter needs/ voltage range. The signal would have to intercepted form the transmission sensor, wheel speed sensor or the signal going to the instrument cluster. An alternative is to get a separate GPS based/speed sensor, auto-meter sells one to use for their electronic speedometers due to different transmission, wheel sizes combos available when a car is customized. It might be better/cheaper to due it that way.
It is a type of Pulse modulation as in PPM the position of pulse of carrier pulse train is varied in accordance with the modulating signal.