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  1. R

    PCM Green Wire on Alternator P0620: Generator Control Circuit

    I had a hell of a time with " new" remaned alt, until I bought an OEM alternator. And the light went out. The reason why is remanned alternators have senser voltage to PCM less than 8v..ALL Oreillys, Autozone, etc alts put out 7.5v. Not enough for the picky Fords
  2. R

    can't figure out serpentine squeal - 4.0

    Its your harmonic balancer, 60 bucks on Amazon
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