Low cranking voltage at the coil can cause this difficulty. Low coil voltage at startup can be caused by several things. A battery that drops voltage when subjected to starter motor load. Voltage across the battery terminal studs while cranking should stay above 5 volts. If lower, there will not be enough to fire the plugs. Voltage can also be lost in a failing battery terminal connections, or small battery cables. Cable size should be 1-O (big as a 1st grade pencil) copper wire. 6 volt systems require 2X the amps that 12v does. Internally corroded wires are also a source of voltage loss. This can be invisible, and found by feeling the cables after cranking for heat all along them. Failing ignition switch connections, or the switch contacts can lower coil voltage as well. To check this jump from the non-grounded battery terminal directly to the switch side of the coil and give it a start. if it fires easily, the switch, connections, or wires could be suspect. Good luck with a repair, and let us know what you find. Jim
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Today's Featured Article - Show Coverage: Godfrey, Illinois Country Days - by Cindy Ladage. Except for last fourth of July's Old Gold show in Springfield, Illinois, I don't remember when it was so hot. Nevertheless, the heat didn't keep vendors and visitors alike from enjoying the third annual Country Day's Event. Jane Elliott said the event was originally a one man show. "Barry Seiler, owner of Country Town Farm Supply store used to invite people up to the Johne Deere store. He would give hats and a free meal for everyone that brings a tractor." Elliott said while this
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