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Okay, Andrewh, looked up the alternator on Autozone website. It indicates that their alternator is external regulator. I will check it again and make sure the regulator is good. Thanks ya'll



sounds like you figured it out...check out that wiring.

I do know that in 99 they changed the design of the alternator ever so slightly. the 98 ones use "old school" nuts on a stud to hold the field wires to the alternator.

but, that requires a wrench to remove the field wires, plus the grounds to the alternator case. in 99 they changed those wires to a quick disconnect plug like the rest of the engine harness, which is why it probably gives the appearance of being a "one wire internal regulated" alternator.

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