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Old 12-10-2005, 11:52 PM   #1
cringeR
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Question Do HID bulbs change color just before burning out?

Maybe this is a stupid question but i noticed tonight that one of the lights on my jdm hid's has changed color from the normal bluish tint to an orangish/pink. It seems that the light output has faded quite a bit as well. I'm just wondering if this is typical of hid bulbs when they die or if i should be checking to see if something else is awry?
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Old 12-10-2005, 11:54 PM   #2
Hank3
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HID bulbs will typically go through a "color shift" phase after certain amount of hours.

Check this thread for some great info:

http://forums.nasioc.com/forums/show...ht=color+shift
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Old 12-11-2005, 12:17 AM   #3
cringeR
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thanks. This color shift is different from what was discussed in the link you gave me though. The color shift is EXTREME, one is 4300k bluish/white and the other is pinkish/orange now. Anyone have this happen to them?

I should add the hid's have been in my car for a year now and were obviously used when i got them. As i'm in Canada the light are on whenever the car is turned on as we must have daytime running light here in Canada.
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Old 12-11-2005, 12:35 AM   #4
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Quote:
Originally Posted by cringeR
thanks. This color shift is different from what was discussed in the link you gave me though. The color shift is EXTREME, one is 4300k bluish/white and the other is pinkish/orange now. Anyone have this happen to them?

I should add the hid's have been in my car for a year now and were obviously used when i got them. As i'm in Canada the light are on whenever the car is turned on as we must have daytime running light here in Canada.
that me be the p[roblem...most owners will as a rule disable the drl's.... any pics?
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Old 12-11-2005, 12:40 AM   #5
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no pics at the moment, i may be able to take some. Disabling the drl's is not an option for us. If anything i would think having the lights on all the time would just wear the bulbs out faster. Don't canadian hid systems just leave the lights on when the car is running as well? I seem to recall hearing that somewhere.
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Old 12-11-2005, 02:18 AM   #6
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also DRL leave the lights on. This does horrible things to the igniter. may also have an affect on the ballast. disconnect the DRL and just run with you rlight on. The DRL also lowers the voltage to the headlights.

Joe
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Old 12-11-2005, 03:39 AM   #7
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i disabled my drl's, but i just leave the headlight switch to the parking light position. maybe you can wire the fog lights to come on with the parking lights as a substitute for the low beams. that's what i wanted to do, but im too lazy. its cheaper to replace fog light bulbs than hid bulbs.
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Old 12-11-2005, 09:31 AM   #8
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sometimes they turn pink, other times they just die.

if your worried just look at your bulb and in that buldge in the middle, if its clear ot hazy your fine, if its dark then its dead or going to be dead
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Old 12-11-2005, 11:10 AM   #9
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Quote:
Originally Posted by CRXguy
i disabled my drl's, but i just leave the headlight switch to the parking light position. maybe you can wire the fog lights to come on with the parking lights as a substitute for the low beams. that's what i wanted to do, but im too lazy. its cheaper to replace fog light bulbs than hid bulbs.
its best if you turn the lights on AFTER you start the car. I forgot why but it puts alot of stress on teh bulbs if you leave them on while starting. causes them to blow out quicker. its even worse on the DRLs cause they already have a lower voltage.

Joe
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Old 12-11-2005, 06:49 PM   #10
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OK well, the light is out now on the one side, so i guess i know it was burning out. Did some research and ordered some 4100K oem Philips D2S replacements from HIDPlanet. Now we just have to drive with one light until they get here.
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Old 12-12-2005, 10:59 PM   #11
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Yeah, DRL's I believe place stock hallogens at 60% voltage - which = not good for HID's. Without the proper operating voltage there is stress on the bulbs/ballasts, etc. and I would imagine that will ruin parts of your kit quicker (obviously).

It is better to disconnect the DRL's and just remember to turn your lights on everytime you get in the car IMO (even though in Canadia that can get you a ticket if you forget).

Aaron
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Old 12-13-2005, 10:50 PM   #12
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I'm pretty sure mine are connected so that when the ignition is turned on the lights come on at full Voltage. If i forget to turn my lights on at night the beam is just as bright as when i turn the headlights on, there's just no parking/running lights if the headlights aren't turned on. I bought the car from a good friend who had bought the HID's and installed them around a month before he sold me the car. I guess i'll just have to replace the bulbs more often as they get used alot more.
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Old 12-14-2005, 12:35 PM   #13
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important thing to remember is turn the lights on AFTER the motor has started. starting drops teh voltage WAY down to 7-10 volts. this has the same affect as teh DRLs. but its even worse because it flutuates during this time.

Good luck
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Old 12-14-2005, 04:12 PM   #14
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connecting and disconnecting a highly inductive load (like a starter motor) will cause pretty large voltage spikes in the electrical system of the car.

the ballasts of HID systems are small step up switch mode power supplies which do not like voltage spikes.

hth
ken
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