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  1. #1
    New Member
    Join Date
    Oct 2010
    Posts
    1
    Tractor
    1963 Massey Ferguson 202 w/front loader

    Default charging system

    My battery keeps draining on my 1963 202 and Im sure its because the charging system is wired incorrectly. Which wires go where? What color goes to the regulator? Does anyone have a schematics of the charging system or any insight on the wiring? Any help would greatly be appreciated. I'm stumped, TractorByNet.com - Compact Tractor Forum

  2. #2
    Veteran Member
    Join Date
    Jan 2009
    Posts
    2,105
    Location
    Carroll, Ohio
    Tractor
    Massey 180 Diesel

    Default Re: charging system

    I'm guessing that it may be the voltage regulator sticking, and letting it drain your battery.

    I went to AGCO partsbooks, and looked up the wiring on the 202. It does show a pretty decent exploded view of it, if you don't have a OEM service manual. Here is the link: AGCO Parts Books

    Enter as a guest user. When the next page opens, type in 202 in the model, and select Massey Ferguson to the right of that.

    The next page will open with a parts list. Scroll down, until you find Electrical wiring.

    Next page will show an exploded view of the wiring. Right click on the picture, and it will give a little menu to zoom in. To move around on the picture, left click and hold down the "Alt" key ( Just right of the spacer bar)

    In the parts list, to the right of the picture, will describe which wire is for what..

    No color codes, but does show from what post on the Genny, to what post on the regulator, and so on.

    Hope this helps..!!

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