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Trouble Code Help?

This is a discussion on Trouble Code Help? within the Camaro / SS forums, part of the Vehicle Specific category; I just checked my trouble codes and found: P1637 Generator L-Terminal Circuit Does this mean I need to replace my ...

  1. #1
    Junior Member SS_Crazy's Avatar
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    May 2007
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    St. Charles, Mo.
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    1999 Camaro SS

    Trouble Code Help?

    I just checked my trouble codes and found:

    P1637 Generator L-Terminal Circuit


    Does this mean I need to replace my alternator?

    Any help would be appreciated.


    Thanks

  2. #2
    Senior Member
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    Jul 2005
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    Jacksonville, FL
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    2,725
    It's a possibility if you haven't done any wiring on the car and the code just popped up. I'd get it tested at some place like Auto Zone. More info here: www.gearchatter.com/viewtopic8806.php Also check the red exciter wire/connection at the alt.

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