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| 3010, 3020, 4010, and 4020 gas and lp were 12 volt positive ground.
The same tractors made for diesel were 24 volts center ground, NEVER positive ground, but that center ground gives a 12 volt battery with positive ground for half the lights (and the fuel gauge) and another 12 volt battery with negative ground for the other half the lights. See my post to Phred for more details.
Gerald J. | |
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