Overcharging - alternator suggestions?

67Dart273 said

If you KNOW for absolute that it is a one wire, the answer is simple. The VR is toast. Chrysler NEVER used an integrated VR, so that means you need a proprietary VR from Power Master, unless some 3rd party makes a "look alike"

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I'm 99.999% sure that's a one wire, but that's not really the answer. The question is: do I need a bigger alternator? Calculating out power needs (although making an assumption on the subwoofer and amp), I think I need something in the 150+ range. I'm making the assumption that the stereo system is pulling 125 amps.