ODD CHARGING PROBLEM....
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This is a discussion on ODD CHARGING PROBLEM.... within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; So yesterday on my 03 wrx I noticedmy lights dimming, radio shutting off, guages, abs light, etc. No battery light ...

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    ODD CHARGING PROBLEM....

    So yesterday on my 03 wrx I noticedmy lights dimming, radio shutting off, guages, abs light, etc. No battery light though. Then I pulled the fyse out in the engine bay fuse box labled ALT-S its a ten amp fuse. When I pulled the fuse, it started charging again, but my battery light and my brake light came on. I put a volt meter on it and it was charging to high.. about 15.4v. The battery is brand new and it is good. Any ideas??? I'm assuming its a bad alt but the fact that it charges with the fuse out but not in baffles me....

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    He simply abides. SD_GR's Avatar
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    Quote Originally Posted by CalebJ View Post
    When I pulled the fuse, it started charging again, but my battery light and my brake light came on.
    Then it wasn't charging. You can't have it both ways I don't think. If BAT and BRAKE are on, the system is losing charge, not charging.

    I'm assuming its a bad alt
    I'd suspect the alt or v regulator, which is built in and not worth replacing individually anyway -- so I'd be back at the alt and have that tested.
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    Alternator. Get that tested to tell you if it's good or not.
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