The wire hanging from the 2-wire connector (Terminal #2) goes to the large output stud to sense voltage.
The wire from the other terminal gets power from the "LOAD" side of the ignition switch, and should have a diode (as shown), a resistor or an "idiot lamp" in-circuit to protect the alternator AND allow the ignition switch to shut down the engine when switched "OFF". In outer words, the diode, idiot lamp, or resistor prevents current from "backfeeding" out the #1 terminal into the ignition circuit at shutdown.
It APPEARS there is a diode covered in heat shrink tubing in the short little harness, so, HOPEFULLY, you are "good to go" in that respect.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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