first need to bridge the R7. 0 ohms. to get 4.5Volts. this photo is exactly the same as my momo 2005 in 2008 the R7 is in a different position but near that. The sensor I'm using is the A1302EUA that you guys can buy here. http://pt.aliexpress.com/item/Free-...-T-Ratiometric-Hall-Effect-Sensors/2044168370 Momo 2005 Momo 2008 don't forget the cut here My project and to be easy to disassemble if you need to do some maintenance lubricating the axle pedals or clearances for example.