hi everyone, i want to install a RGV250 speedo and tacho (because i have them) to my 75' points ignition cafe build ,the speedo is a no brainer cause it cable drive but the tach is electronic, not sure where to connect what... anyone done a similar conversion of other jap elec tachos? have read a few posts but none the wiser.,any help would be much appreciated..thx XSesive