The elecrrical system in a modern (non 1950) vehicle is always directed to the supply of elecrticity. The switch must be connected to a source of signal level voltage at least 12v. find this source in a diagram, then assure it is there with a test light. If none, trace that to the Bat + side of the system. It is also important to be sure the lights are grounded and working. use a jumper to put 12v into each harness where the bulbs are. Testing lights that are burntout, or not grounded is impossible. Wiring diagrams are intimidating. Use a thin tipped highlighter to follow the tracings, and find the connectors on the chassis wiring pages. These are in the real repair manual, not in a owner's booklet. Best of luck. Jim
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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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