Here's a pic of that setup on an H4 mag, your J4 should be similar. You need to disconnect the wire from the mag's coil to the points. The grounding wire needs to be disconnected from the mag too. You will need an ignition switch with battery voltage fed to the switch and from the switch to your auto type coil. Then from the coil to the points. Hal
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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