1) Regardless if the tractor is Pos or Neg grounded, you always jump one battery to another + to + and - to -
2) DO NOT make the final spark producing jump connection near the top of a battery where explosive gasses are present
3) DO NOT jump a 6 volt battery from a 12 volt battery, good way to blow up a battery.
4) I have successfully jumped a 6 volt tractor using a 12 volt battery however, but I ONLY jump the starter motor direct so it and NOT the 6 volt battery nor the 6 volt electrics see 12 volts, ONLY the starter motor. That way I DO NOT jump the battery but only apply voltage to the starter motor.
5) The way I jump start a tractor so there's no sparks near battery top where explosive gasses are present, is to make the final frame/jump ground connection last down away from the battery as far as possible.
6) If you jump a Pos ground tractor with a Neg ground vehicle, still + to + and - to - HOWEVER dont let the tractor and vehicles touch each other.
Im sure I missed a few points so others can add to this
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Today's Featured Article - Usin Your Implements: Bucket Loader - by Curtis Von Fange. Introduction: Dad was raised during the depression years of the thirties. As a kid he worked part time on a farm in Kansas doing many of the manual chores. Some of the more successful farmers of that day had a new time saving device called a tractor. It increased the farm productivity and, in general, made life easier because more work could be done with this 'mechanical beast'. My dad dreamed that some day he would have his own tractor with every implement he could get. When he rea
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