Massey Ferguson 135 with BIG ELECTRICAL PROBLEMS! | Part 1

Today I rebuild the dynamo in my fathers 135 Massey. It’s making some strange noises which need to be rectified. Thanks for watching. Enjoy!
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[@grahameroberts8109]

Good job. Have you tried the old ‘screwdriver to the ear’ to hear odd noises’.

[@BIGRIG2005.]

No I didn’t even think of that Grahame 😂, shall try it next time I hear a squawking dynamo 👍

[@TheRanger0ne]

You didn't re-polarize the dynamo; it is a simple but essential requirement. Google how to do it.

[@BIGRIG2005.]

Dynamo was re-polarized before fitment. Watch the part where I bench test it and you will see me polarise it to negative earth.

[@TheRanger0ne]

@@BIGRIG2005. You did it incorrectly. You have to polarise the dynamo at the voltage regulator. Otherwise you cannot guarantee that the dynamo will charge properly. Polarising at the regulator ensures the regulator is not faulty and that there is continuity through the cables and connections.

[@BIGRIG2005.]

@TheRanger0ne the way I was always taught was to polarise at the dynamo field terminal before fitting. I haven’t ever tried doing it at the regulator box end but will try it. Cheers 👍