The original system used an external regulator. the system is not as reliable and controlled as the internal regulated Delco SI10 series alternators. Were it mine, I would use the newer Delco alternator with internal regulation. The charge light can be used (See diagram) if the resistor and lamp are both good. The connection to terminal 4 of the existing regulator is disconnected and extended as needed to attach to the spade terminal #1 of the Delco. The #2 terminal of the new Delco is connected to the wire now connected to the #3 connection on the old regulator. Both of these can be with 14 gauge wire. The heavy wire on the original alternator's BAT terminal is connected to the new alternator's Bat terminal. The original regulator can be removed. It is pretty simple. Jim
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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