The older ones are relatively simple. They usually have an ac transformer with multiple taps ( wires coming off the transformer at different voltages), these wires go to the charge selection switch. The AC is converted to DC in the rectifier (often some kind of plate that holds the diodes. The heavy DC cables are connected to the output side of the rectifier, hopefully the DC side has some kind of overload device (breaker). The rectifier is usually the problem. If the smoke has been let out of the actual transformer, the unit is scrap. I have found replacement rectifiers on-line, a direct replacement unit is not required. I replaced the rectifier in one of my solar's with an upgraded unit and it works much better. You can replace individual diodes in the rectifier also. Hint, when replacing diodes the wire in the actual rectifier is high temp wire and may be fragile. Replace any that are damaged with the wire used in a stovetop burner, use the high temp push on connectors also. The guys on this forum can assist you in the repair, show them the picture and they can fix anything.
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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 "Replaced by" means the part was superseded.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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