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Old May 9th, 2003, 10:18 PM   #1
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Aiming Headlights

Originally from AV6.com

Asked by VtECAzNRaCeR

ok...an accord is dropped...
he has headlights that are aimed correctly...
that accord decides to give another accord that is stock height his headlights....
the stock height accord is not sure whether or not the aim on the headlights will be the same on the dropped accord....because of the drop.....

now, after that lil story time story, can anyone tell me if it matters???


Answered by DTB (whatever happened to him?)

If the vertical adjuster on the dropped Accord wasn't touched the aim will be fine for the standard height Accord. If no adjustments were done to the headlight on the dropped Accord, the stock height Accord won't be affected at all, but if the height was adjust then the stock Accord will have to be reaimed. I would imagine that the dropped Accord would have had to raise the headlight slightly to compensate for the lowered stance, but here is an explaination on how to aim the Accord's headlight yourself just in case the headlights were adjusted.

The U.S. vertical aiming standard is 2.1" of drop at 25', or 8.4" per 100'. Measure the distance from the ground to the headlight's center using a yard stick or a meter stick, then place the car 25' from a flat vertical surface (wall) and make sure the car is on a level piece of ground. Then cover one of the headlights using something that will not let light through (thick towel). Go to the wall that is 25' away and measure the cutoff line of light on the wall to be 2.1" lower than the headlight's center height was and repeat for the other headlight. Aim the lights straight ahead for the horizontal. This applies to all headlights: reflector and projector based. However, you might be able to aim projectors a few degrees higher due to sharper cutoff, but for the Accord just aim the light 2.1" lower than the center height of the headlight housing itself.

Hope this helps,

DTB


More from DTB

The US aiming standard is 2.1" down at 25'. You will lose (or gain) about 12' of forward lighting distance for every inch of vertical headlight center difference from stock. However, raising the beam can cause more glare for oncoming traffic if raised too much. Projectors and E-codes can be aimed slightly higher than stock and still get away with it successfully.

Note: *Don't try that with a DOT housing.

Just a little more information for everyone,

DTB



****NOTE****
If someone can host the pic, send me a pm with the link and i'll edit this thread, otherwise i'll leave the pic attached. I can't host cause yahoo won't let me link.
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Last edited by whtaccord; May 9th, 2003 at 10:25 PM..
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Old May 15th, 2003, 08:57 PM   #2
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Hey what is that little black box between the adjuster?
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Old May 15th, 2003, 11:04 PM   #3
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I don't know. maybe it's part of a hid kit.
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Old May 15th, 2003, 11:04 PM   #4
 
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Quote:
Originally posted by DriVeN_AccorD on May 15th, 2003 at 09:57 PM

Hey what is that little black box between the adjuster?
HID ballast
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Old May 15th, 2003, 11:07 PM   #5
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werd?
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Old May 16th, 2003, 03:23 AM   #6
 
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Great repost form the old forum . I have been meaning to aim mine myself since both are way off. I guess when I get some time I will do it but I am so lazy .



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Old May 17th, 2003, 02:59 PM   #7
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I don't have anywhere to aim mine since my crappy azz driveway is downhill
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Old May 18th, 2003, 10:29 AM   #8
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my driveway is on an incline also. What I plan on doing is backing my car into the driveway in my garage and measuring about 12.5 feet out. I'm gonna have my brother hold a piece of cardboard and using a laser level aim where the middle of the headlight is suppose to be. Mark that spot with tape, then aim 1.05" below the tape.

Or you can do it in the street, shouldn't take that long to aim the headlight.
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Old November 21st, 2004, 01:49 AM   #9
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Which way do you turn it to go down? Clockwise or counter?
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Old November 21st, 2004, 09:30 AM   #10
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I do not remember off the top of my head, but I believe that it is counter clockwise. just try it out, and see what does what.
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Old November 26th, 2004, 02:02 AM   #11
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Hi,
Do you guys know how to adjust the high beam part of the headlight?

Whenever I use the highbeam...the tree lights up and stuff other than the roads...help?
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