6 Volt Generator Wiring Diagram Negative Ground. If you are installing a fifth avenue 6 volt alternator and you are reversing the polarity of your electrical system to negative ground the yellow exciter should connect to the negative terminal on the coil the same terminal that goes to the ignition switch. May apply to others.
Diagrams show the best way that i have found to convert your 6 volt positive ground n series tractor to 12 volts negative grounda tractors regulator takes the voltage provided by the battery manages it by reducing it and sends it on to the alternator. May apply to others. The 1949 1951 engines crank 130 rpm without an automatic transmission generator does not charge.
We have taken the very reliable delco 10si alternator and configured it to provide higher amperage power for 6 volt applications.
Red is positive black is negative. Now you can replace your old generator and not have to worry about rewiring the rest of the vehicle. With few exceptions the early systems were 6 volt and used a dc generator for recharging the battery. 12 volt generator voltage regulator.