I believe older models came with positive ground whereas my own 59 has negative ground. While the conversion reduces the authenticity of the antique mf 35 if you use the tractor for agricultural rather than collecting purposes the conversion increases its value and the dependability.
Mga Alternator And Negative Earth Conversion
Dynamo to alternator conversion wiring diagram. Lets talk about wiring. The two thick wires should be joined unfused battery charging and the others go to various circuits see wiring diagram in workshop manual and could be fused as required. I dont know if that is original or if it has been changed later. 12g1053 as the alternator is shorter than the dynamo. The relevant belt gcb10825 is also needed. It is better to connect this new wire directly to the battery cable and leave the original brown wire to supply the normal amount of power to the rest of the electrical system.
Some people recommend that you fit a thicker wire from the alternator output to cope with the potentially higher current. As an alternative to this double wire scheme you could run one larger wire at least 10 awg from the alternator to the battery cable. Ive had an inquiry about converting from a lucas dynamo to a delco 10 si alternator. Two wires isnt intimidating at all. This fellow has an fe35 which is earlier than 1959 and it presently uses positive ground. Alternators do a much better job at charging a battery at the low speed tractor engines are usually operated at.
One of the easiest and best improvements that can be made to an older tractor is to replace the original generator with an alternator. Highly recommend running new wiring for the alternator rather than adapting the existing generator wiring. Dynamo to alternator conversion. Often the insulation on the factory wiring is cracked and frayed inviting short circuits and other electrical problems down the road for wire terminations at components use crimp on ring type wire terminals. It needs a small wire that goes to the light on the dash and it needs a heavier wire that carries the current out of the alternator and to the rest of the car. The wire in.
A relatively modern alternator only needs two wires to do its job. Converting a massey ferguson 35 from a generator system to an alternator power converter improves the implements electrical performance. We can deal with two wires. Disconnect the battery and remove the black regulator box from the car taking care to make a note of or label each wire removed with its original terminal connection. Fit the alternator using the necessary rear support bracket part no. Replacing the generator with a gm one wire alternator is recommended.