headlight brightness - Jeep Compass Forum
 
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post #1 of 7 Old 08-13-2012, 08:41 AM Thread Starter
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headlight brightness

Iam asking this to see if anyone has noticed this. Quick background before I ask the question.
One headlight is 9 months old amd the other I think is original.
I put in a set of white light bulbs from eBay.
I noticed that when looking at the lights when on that the old headlight shines whiter not brighter than the new one. So I swapped the bulbs to see if it was the headlight. That was not it, the old headlight shines white and the new one still looks somewhat yellowish, even though its a white light.

So my question is, whay could be causing this issue, relay?

2007 Jeep Compass 4x4 Limited (black)
2010 Hyundai Elantra GLS (blue)
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post #2 of 7 Old 08-13-2012, 01:04 PM
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look at the bulbs themselves. the ones you bought off ebay (which you shouldn't have done, btw), do they have a blue tint to them?
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post #3 of 7 Old 08-14-2012, 04:14 AM Thread Starter
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Yes they both have blue tints and I have always bought bulbs off of eBay with no issue. Even after swapping sides the whiter light comes out of the older headlight, the other looks a little white but up against a wall there is a noticeable difference.

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2010 Hyundai Elantra GLS (blue)
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post #4 of 7 Old 08-14-2012, 05:18 PM
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not sure, but you're throwing money away getting those types of bulbs. the ones with the bluish tint have a lower life span, and less light output. they snag people into buying them by labeling them as "HID quality" or something about the color of the light. at the end of the day they are of less quality than what you get in the stores, that's why they're a lot cheaper.
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post #5 of 7 Old 08-15-2012, 04:43 AM Thread Starter
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^I respect your opinion but this doesnt answer or help with my problem.
I was asking why the New headlight doesn't shine as bright/white as the older one even when I switch bulbs. Someone said my relay may be worn out (never really heard of one wearing out) and not enough power is getting to the lights and one is taking more power and that is why it is whiter.

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post #6 of 7 Old 08-15-2012, 01:00 PM
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the new headlight could be an aftermarket one, not OEM. just thinking outside the box.
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post #7 of 7 Old 08-15-2012, 04:39 PM
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Quote:
Originally Posted by ronjr8102 View Post
^I respect your opinion but this doesnt answer or help with my problem.
I was asking why the New headlight doesn't shine as bright/white as the older one even when I switch bulbs. Someone said my relay may be worn out (never really heard of one wearing out) and not enough power is getting to the lights and one is taking more power and that is why it is whiter.
Actually he did answer this in a way. It has to do with the Kelvin scale and if you're eBay lights have that "cool" blue tint, you're essentially covering the light bulb.

Lighting Tech - What Is the Kelvin Scale and Which Bulb Value Should I Choose?

Just my .02c
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