10-SI Wiring Instructions: The 10-SI alternator has three terminals, however only two of them get connected to the tractor. (Thus, the 10-SI is sometimes referred to as a two-wire or three-wire alternator) The Bat terminal should be connected to the ammeter with a 10 gauge wire. If a voltmeter is used instead of an ammeter, the 10 gauge wire can be run directly to the stud on the starter where the battery cable connects. The number 1 terminal should be connected to the ignition switch with 16 or 18 gauge wire so the alternator only receives power when the tractor is on. A one amp / 50 volt diode should be installed between the ignition switch and the 1 terminal to prevent backward current flow through the alternator when the ignition switch is off. The number 2 terminal should be connected directly to the Bat terminal (16 or 18 gauge wire) on the back of the alternator. Note: Genesee Products offers several products to help with your 12 volt conversion, including a wiring kit for the 10-SI alternator. For more information on these products, please visit their web site or contact them at genesee@ionet.net
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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