Check out this thread:
http://ecomodder.com/forum/showthrea...8-a-20513.html
This probably has something to do with why your alternator is not completely shutting off. Here is the important part:
Quote:
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1 - You must disable two of the wires to the 4P connector, not just one: the sixth gen Civic's "smart alternator" has a four wire connector (a "4P" connector) and a separate large gauge white power wire for the alternator's power output to the battery. On the connector, one wire is for the charging light signal (blu/wht), another is the power line (blk/yel) for the field windings, and the two others are signal and control wires to and from the ECU. If you cut only the power line (blk/yel) the alt will still power using the blu/wht charging lamp wire. I know this because I tested for it using short wires with male and female spade connectors. I interrupted one line at a time and then two at a time until I was able to shut the alt off. You must interrupt both the blu/wht and blk/yel lines. A similar discovery was made by "busypaws" for his 1997 Protege DX alternator switch (he resolved the problem differently).
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