As others have stated always when charging (or Jumping) any vehicle always hook + to +, and - to -. If a vehicle is positive ground or negative ground, that only means how the battery is hooked up to the vehicle. It does not change the polarity of the battery. On many shematics we were taught to believe ground is negative. On vehicles, ground only means the wire leading to the vehicle's frame.
When jumping or charging a battery when you hook negative to positive you will double the voltage of the system and can destroy all the electrical components on that vehicle or both vehicles more so when jumping. When you hook a battery charger up positive to negative you will get lot of arcing and the charger doesn't even have to be plugged in for this to happen.
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Today's Featured Article - Tractor Generators - by Chris Pratt. As a companion to the articles on three-brush and two-brush generators, it seemed fitting that we should provide our readers with a description of how a generator works in lay terms. The difficulty with all those "theory of operation" texts is that they border on principles of electricity or physics and such. Since I know nothing of either, you will have to put up with looking at the common sense side of how generators work which means we "
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