1950 3100 was postive gound 12 v.I switch over to negative ground,Battery,coil,ammeter,switch to postive,two 14ga wire on lelf side of ammeter,10ga wire right side.Is this right,the 10ga wire on ammeter was cut by last owner.Do i hook 10 ga wire to ignition switch.Altinator has regulator built in it.Two small wire from altintor feed assories at switch.Were do i hook 10ga wire from altinator.