how can i tell the differecne between a bad altenator or a bad voltage regulator?

2001 DODGE CARAVAN
163 MILES
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EDKAY
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  • 1 POST
i've measured 11volts @ the battery with the engine running
Feb 26, 2012 at 7:52 PM
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FIXITMR
  • ✓ASE Certified Mechanic
  • 9,990 POSTS
  • ASE Certified Mechanic
regulator is internal to alternator. remove and have it tested.
Feb 26, 2012 at 8:03 PM
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