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  1. Vehicle Help
    '91 Schoolbus 5.9 Cummins engine in my '84 Ramcharger Has a huge 130A Prestolite 8LHA 2050VA alternator on it, which has its own voltage regulator on the back. 3 studs on the back (see pic) - black wire to volt reg, red wire to volt reg, and a third on the bottom I believe these are "Negative...
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