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12 volt conversion confusion

C

clodkicker

New User
I am converting from a 6 V to 12 V system on my Farmall M tractor and received the conversion kit -- but the instructions are terrible. I see from Bob M's diagrams references to Terminal 1 and Terminal 2 but have no idea where these are located on the alternator. Help!
 
(quoted from post at 14:36:33 02/28/09) Is your kit a one-wire alternator? Often they will have a non-metallic block-off plug on those terminals.
Click to expand...

I think it is. There is a black "plug" that is covering two connectors.
 
I would recomend that you locate someone locally toadvise you with this converson.It is very simple,but can be defeating to newcomer
 
<img src = "http://i167.photobucket.com/albums/u125/27Grainfield/424IH/Alternator%20Stuff/AlternatorHarness31.jpg">

Can you see the numbers 1 and 2 below the white connector in the photo?

The diode shown is an alternative method if an "idiot light" is not used/desired.
 
The black plug tells me that your kit has a "one wire" alternator. Wire it up as indicated except for the #1 and #2 wiring, just ignore that part for the moment. It may work fine as a one wire setup. If your not satisfied with the rpm necessary to excite the alternator, go to an auto parts store and buy the regulator plug(about $2), and a diode or indicator light and wire it up as a 3 wire setup. That one wire alternator will work exactly as a stock 3 wire unit with only that plug and wiring added.
 
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