Good question. THe one wire Delco is equipped with a regulator that is self exciting. It has two problems, one is that it needs to be operated at 3/4 throttle or more to begin making volts. (it continues after that even at idle) The second is that they tend to run down the battery between uses. They kinda leak current when not being used. The easiest way to use the multi wire system with a mag is simple. Use a NAPA oil pressure switch that turns on with pressure of 5psi, and is open when no pressure is on it. T this switch into the oil pressure port and run a Hot wire from the starter sw. to the pressure sw, then from the pressure sw to the #1 terminal on the alternator (The standard SI-10 unit) This needs no diode, no idiot light or any thing else. The #2 terminal hooks as shown to the Big terminal on the alternator (just a short wire). JimN
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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 "Replaced by" means the part was superseded.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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