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Old 06-02-2005, 04:55 PM   #1
ragnarok
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Default Why do low beams turn off when you turn on high beams?

I'm curious as to why this is and if there is any technical reason for it. I have an sti which has the highbeams and low beams seperate so it would seem they shouldn't interfere with each other.

I'm thinking that instead of installing more lights, I'd like to use what I have to illuminate the close as well as the far.
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Old 06-02-2005, 05:21 PM   #2
ChrisL2
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Huh? STi low beams don't turn off when the high beams are on.

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Old 06-02-2005, 05:50 PM   #3
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Quote:
Originally Posted by ChrisL2
Huh? STi low beams don't turn off when the high beams are on.

Ditto. Mine stay on. A lot of cars do drop out the low beams but the STi doesn't. Unless you are not referring to the STi in your sig.
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Old 06-02-2005, 06:06 PM   #4
ragnarok
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Thanks for the replies! then my issue might be something else... I thought it was weird...
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Old 06-02-2005, 08:31 PM   #5
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ragnarok are you in Canada?
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Old 06-02-2005, 09:56 PM   #6
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...they don't have the HIDs up there, right? But on MY04 WRX (non-STi), the low's stay on with high's...
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Old 06-03-2005, 04:22 AM   #7
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I wish teh WRX lows stayed on with teh highs.


Clavo.
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Old 06-03-2005, 09:33 AM   #8
WRXRgr
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On 04s they do.
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Old 06-03-2005, 01:35 PM   #9
ragnarok
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no, not in canada, I've got a usdm sti... i was just comparing my hid's with my friends and for kicks we checked out the highbeams too... only i noticed my lowbeams go dark- which to me didn't look like it needed to.
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Old 06-03-2005, 02:23 PM   #10
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I believe all factory HID systems (sti, bmw, audi, s2000) are setup so that when you activate the hi-beams the low beams stay on with them since it's not good to be flashing HID bulbs on and off. I believe halogen bulbs are different and can be flashed on and off, which is why halogen headlamps turn off the low beams when the hi-beams are activated.

Someone correct me if I'm wrong here. I'm just taking a shot in the dark with what I've only seen.
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Old 06-03-2005, 07:12 PM   #11
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Quote:
Originally Posted by sevendhappy
I believe all factory HID systems (sti, bmw, audi, s2000) are setup so that when you activate the hi-beams the low beams stay on with them since it's not good to be flashing HID bulbs on and off. I believe halogen bulbs are different and can be flashed on and off, which is why halogen headlamps turn off the low beams when the hi-beams are activated.

Someone correct me if I'm wrong here. I'm just taking a shot in the dark with what I've only seen.
How can you take a shot in the dark when talikng about lights

That answer sounds the best to me.

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Old 06-03-2005, 07:16 PM   #12
WRXRgr
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Quote:
Originally Posted by ClavoWRX
How can you take a shot in the dark when talikng about lights

That answer sounds the best to me.

Clavo
Never heard of Lucas electronics, eh?
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Old 06-03-2005, 07:42 PM   #13
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Quote:
Originally Posted by WRXRgr
Never heard of Lucas electronics, eh?
Yes, As a matter of fact I have. Why do you think the English drink warm beer ??

Because Lucas makes refrigerators too.

<------------ His Dad races a 67 Vintage MGB.
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Old 06-03-2005, 10:09 PM   #14
Zypper
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Lucas, prince of darkness...

Don't want to overload the bulb housings when in hi-beam mode. HID's use less watts than Halogens so it isn't as big of a problem, also as others have pointed out cycling HID's = bad for life.
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