Treat the two batteries connected in series on the machine as one 24 volt battery with one positive post connected to the starter and the negative connected to the frame as ground. Connect the positive from the machine battery to the first jump vehicle battery positive. The connection between the vehicles is from the negative from the first vehicle to the negative of the second vehicle. This puts the batteries from both vehicles is series just like the batteries on the machine are connected. The connection back to the machine is from the negative post of the second vehicle to the negative of the on the machine.
The positive cable from the machine to vehicle one and the return circuit is the negative from vehicle two back to the machine have a circuit voltage of 24 volts. Even though the circuit has 24 volts running through the two vehicle batteries they each have only 12 volts, the same as the batteries on the machine.
This post was edited by Owen Aaland at 20:31:39 05/20/14.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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