John T Question about charging a second battery. I have a cargo trailer that I use to go to bike rallies and other things. It has brakes and lights in so I have a 12 volt battery. I don't have a diode in the charging system I just unplug the trailer when I park to keep from disgharging the truck battery. I checked the charging voltage, with the truck running the truck battery was 14 volt and the trailer battery was 12 volts. I then used another battery with jumper cables to another vehicle and had the same result. I asked a friend of mine who is an electrical engineer at NASA and he couldn't explain it. Do you have any thought about this? The trailer battery charges and I have no problems. I am just curious I would think that the voltage would be 14 volts unless the truck battery draws the voltage down. Bill
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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