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Dunno man I have a hi amp alternator but it has stock wiring. never heard of one wire. internal or external regulator?anyone know?
If you are installing a 130 amp 3G alternator then the old voltage regulator on the fender is eliminated, it is included on the alternator. One factor to consider is the physical style of the alternator. Since you haven't included any information on your truck I can't help you much with installation.i just got a 1 wire alternator 130 amp i wanna install but old one is 3 wire how do i install the 1 wire in its place