Self Dimming Headlights...

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D O A - 21 Nov 2008 13:44 GMT

I have a '04 Forester & when I slow down, (stopping, turning a corner,
etc.,) my headlights dim. My nephews Legacy does the same thing & he
said he thought it was normal, but, it just seems strange. The dealer,
of course wouldn't give free advice, they said to bring it in & they'd
check it out, ( for about $75.00.) Does anybody else have this happen
with their car?Any ideas?

Thanks.....

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Jeffrey Kaplan - 21 Nov 2008 19:53 GMT

Previously on alt.autos.subaru, D O A said:

> I have a '04 Forester & when I slow down, (stopping, turning a corner,
> etc.,) my headlights dim. My nephews Legacy does the same thing & he
> said he thought it was normal, but, it just seems strange. The dealer,
> of course wouldn't give free advice, they said to bring it in & they'd
> check it out, ( for about $75.00.) Does anybody else have this happen
> with their car?Any ideas?

How old is your battery?

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VanguardLH - 21 Nov 2008 20:07 GMT

> I have a '04 Forester & when I slow down, (stopping, turning a corner,
> etc.,) my headlights dim. My nephews Legacy does the same thing & he
[quoted text clipped - 4 lines]
>
> Thanks.....

Ever had the alternator replaced? Maybe an undersized one (in how many
max amps it provides) was installed as the replacement.

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Bob Noble - 22 Nov 2008 02:06 GMT

It does sound like maybe the alternator is cutting out at low speed.
I think I'd check the battery posts, clamps and grounds first. Cleaning the
battery posts and clamps might do wonders?

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Bob Noble
http://www.sonic.net/bnoble

>> I have a '04 Forester & when I slow down, (stopping, turning a corner,
>> etc.,) my headlights dim. My nephews Legacy does the same thing & he
[quoted text clipped - 7 lines]
> Ever had the alternator replaced? Maybe an undersized one (in how many
> max amps it provides) was installed as the replacement.

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.._.. - 24 Nov 2008 15:57 GMT

I don't think it's the alternator.

It's poor circuit design. The circuit allows lower voltage to appear in the
head lights when other electrical stuff is happening; blinker lights, brake
lights, fans, etc.

Even with a new bat and alternator mine did that.

It doesn't hurt anything, so it's just annoying.

> It does sound like maybe the alternator is cutting out at low speed.
> I think I'd check the battery posts, clamps and grounds first. Cleaning
[quoted text clipped - 11 lines]
>> Ever had the alternator replaced? Maybe an undersized one (in how many
>> max amps it provides) was installed as the replacement.

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