The 10SI has a built in regulator, so the old regulator will go away.
The wire on the regulator labeled BAT can be reused. Extend the wire to the alternator and connect to the BAT terminal. This is a high current connection, so be sure to properly splice the wire. By using this wire, the amp gauge will still work.
The other 2 wires, (arm and field) previously on the regulator will not be used. Those same wires will be disconnected from the old generator and not used.
You will need to run a wire from an ignition source, through a resistor or diode, to the #1 terminal of the alternator. The simplest way to connect is using a small incandescent 12v lamp as a resistor. You can add it as a charge indicator light on the dash, or tape it up out of sight at a convenient location.
Also run a jumper wire from the #2 terminal to the BAT terminal.
If you didn't pick up a harness plug for the alternator, go back to the auto supply and get one, it will make the install much cleaner and less likely to short out.
Assuming this is already a negative ground system, if not it must be changed to negative ground for the alternator to work. Be sure the alternator is mounted securely, the pulley is properly aligned and the proper width. Any shortcuts in this area will cause rapid belt wear, slipping, and bracket breakage.
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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