if it has a three terminal solenoid on it, there will be two big terminals, one from the battery, the other to the starter. the third terminal will be a small postusually on the top. the small post is where the hot wire from your starter button will go, that terminal will cause the solenoid to close when the starter button is depressed, causing the starter to engage. on the big terminal on the solenoid coming from the battery, there should be a good size wire, prolly #10 that would feed the tractors electrical system ie lighting and starting circuit. if it has a 4 post solenoid, 2 big and two little posts, on some older cars, the second small post would only be hot when the solenoid engaged the starter. what they did there is run a separate wire from that post directly to the ignition coil, (bypassing the ballast resistor) so it would put 12v directly to the coil, giving a hotter spark on startup. when you relesed the starter button, that circuit would then shut off and the coil would be fed power thru the ballast resistor. some of the older fords ran that set up, and some of the early gm's would do that, but from a starter mounted solenoid.
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Today's Featured Article - Pitfalls of Tractor Engine Rebuilds - by Chris Pratt. The first pop after you have put the machine together with your own hands is exciting and pleasing. The whole experience can be marred if one moves too fast and makes too many assumptions that they can just use "as is" some parts they should be closely scrutinizing and possibly attended to. In such cases, rework makes what could have been a fun project turn into an irritant or even a nightmare. Minor Irritants To give you an example of an minor but irritating proble
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