John, if its converter to 12 volt negative ground, jumping is similar to a car or truck POS to POS NEG to NEG and don't make the last connection near the battery top where explosive fumes can be present. Jumping a very weak battery with a good one poses some hazards including explosion if not done correctly and you sound inexperienced
HOWEVER if it reads 12 volts its approximately 50% discharged. As an electrical engineer I strongly suggest you first fill electrolyte to the proper level,,,,,,,,,,, CHARGE THE BATTERY AND HAVE A SHOP LOAD TEST IT,,,,,,,,,,Insure all battery cables and ground cable are good n tight and not corroded.
Checking electrolyte and charging the battery and having a shop test it is soooooooooo easy n cheap and I try it FIRST before jumping although sure jumping (if done correctly) may get you started
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Today's Featured Article - Ford Part Number Trivia - by Forum Participants. "Replaced by" means the part was superseded. All of my part books date back to 1964 and New Holland have changed some part numbers. They usually put the old Ford part number on the package. I was suppressed when I looked up the part number of the auxiliary drive shaft because for some reason the part number went through a radical change and it lost its "Basic Part Number". Ford part numbers follow the following rules. Most part numbers are in three parts. The middle part is called the
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