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My confusion. Your previous post had me understanding you were saying the regulator was internal to the alternator. I have a 1999 Dakota and it has the internal regulator. I went back and looked at the wiring diagram for your model. The wiring diagram refers to your unit as a generator vice and alternator, and yes, it does get a controlling signal from the Power Control Module (PCM). It comes in on a dark green wire.
there are a few small wires on the alternator and one is a feedback for the alternator to switch on and charge the battery.there is a fusable link which looks like a piece of wire,but it is a fuse and if your alternator was blown,or a jump start was done wrong,it could take out the fuselink and your alternator is not putting out voltage.get a diagram and check to make sure that all the voltages for feedback are ok
you can go to auto zone and they can print out a diagram on the location but usually if you see the battery and follow the wires from the battery all the way over to the alternator (it looks like a baby generator) with a belt on top of the pulley
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