Question about Hyundai Elantra

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Two new alternators on and the car still will not charge and it kills alternator. Need to know what to look for in the wiring harness. Auto Zone tested alternators before installation. Still won't charge. 2000 Elantra.

Posted by perleyunderw on

  • Ruth Cochran Mar 14, 2012

    I'm having the same problem I replaced both the alternator and battery which both checked out fine at autozone uninstalled but with them in the car the alternator registers nothing and the battery light is still on SOMEONE PLEASE HELP

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PAUL MC G

PAUL MC G

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Go to web site WWW.HMASERVICE.COM and register your vehicle by VIN #. You'll then have access to shop manuals, wiring diagrams, technical service bulletins, illustrations, etc.
Provided there is no problem with the vehicle's wiring, find out what the charging current is to the battery. I've seen batteries which TEST good, but when under a CHARGE short out internally.
Example: Tested a battery & charging system on a Hyundai Elantra, the battery tested "Healthy" but indicated there was a CHARGING SYSTEM PROBLEM. I checked the battery voltage while the engine was running and found the battery voltage at 14.3 VDC (which was normal). I then used a Digital DC Clamp meter arount the positive (+) battery cable & found the battery was charging at 70 Amps!.. it was supposidly already fully charged (should have only been taking 4 to 6 amps when fully charged).

Best guess without looking/diagnosing the vehicle myself

Maybe this will help.

Posted on Jul 01, 2011

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