Recent content by BatDan

  1. BatDan

    Check Charging System Light

    Turns out it is overcharging?! Was supposed to be a drop-in replacement that needed no additional upgrades. Hope I didn't fry my PCM. Unfortunately, it seems a new OEM alternator is the quickest solution. 2 year warranty, so we'll see... What a PITA.
  2. BatDan

    Check Charging System Light

    It's a - supposedly - new 160 amp output alternator (not sure how best to verify that).
  3. BatDan

    Check Charging System Light

    Voltage drop test reveals no drops, diode test yields 32 mV AC (third party test showed all good, as well), alternator mount bolt to passenger strut tower ground results in no change to idle voltage (14.3-14.5). Based on all my testing, the battery and alternator are good. I'm going to try...
  4. BatDan

    Check Charging System Light

    @DieHarder Only the first replacement (so far)
  5. BatDan

    Check Charging System Light

    All signs are pointing to bad ground. Diodes are good (tested). Is the voltage regulator separate from the alternator for the 2005?
  6. BatDan

    Check Charging System Light

    2005 4.6L GT New 160a output alternator - https://www.dbelectrical.com/products/alternator-high-output-160-amp-4-6l-mustang-2005-2006.html New fused 4 gauge power cable - https://www.americanmuscle.com/premium-power-wire-kit-9414-excluding-gt500.html Rest is stock Before everyone says...
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