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Summary of change:
'''For VR sensor''' * VR input is needed''' * or [https://shop.vems.hu/catalog/hall-p-162.html VR => HALL adapter] and HALL input ---- For '''HALL sensor, HALL input is needed''' VR input will normally not work (or worse: might work unreliably) '''VR input expects the signal to go negative''' (as a VR sensor...) and HALL sensor signal is positive between 0V (or rather +0.2V in practice) and +4..5V (because of 2k7 pullup resistor to +5V ; this resistor is usually inside the ECU when it has HALL input, otherwise it must be right at the HALL sensor; ) Some trick/hack might be possible (not difficult, but not supported; it might work reliably or not depending on if the installer knows what he is doing ; measuring, scoping, etc... again: not supported) with 470 Ohm and 18k resistor divider to get negative signal from mainboard (eg. 18k .. 20k from RS232 -9V available inside on LCD pinheader) but
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