Question about "vibrations" of HID bulbs. - Mazda3 Forums : The #1 Mazda 3 Forum
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post #1 of 15 (permalink) Old 05-06-2010, 10:15 AM Thread Starter
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Question about "vibrations" of HID bulbs.

Hello all,

I recently received and installed my new DDM Tuning HID slim ballast kit for my MS3. I'm loving the light output and the quality of the components of the kit, but I have a question. I noticed that when I drive over those small, yet somewhat harsh highway bumps that are found where concrete meets asphalt (such as transitioning from a road onto a bridge and viceversa), the impact makes the lights slightly vibrate, as if they were moving inside the projector. Is this normal? I ask because while my car was stock and it had the regular halogen bulbs on, I never noticed such thing, but quite frankly, I wasn't looking for it either, and maybe the light output wasn't enough to notice.

So I was wondering if anyone experiences this with the stock halogen bulbs and/or their HID kits as well. Yes, I could go back to stock, but I was so meticulous about installing the kit and zip tying everything in place, that it would be a true pain to remove it just to try the stockers on, so I figured I would ask first.

I also noticed that because the stock bulb connector harness does not connect directly to the HID bulb (but to a wire coming out of the bulb instead), maybe when the car hits the bumps, the impact and gravity pull on these wires possibly causing the bulb to flex?!? I'm not sure, that's just an idea, and even though I zip tied everything, the closer you get to the bulb the harder it is to completely zip tie everything, so there is always a little bit of slack left for the wires to move.

And lastly, for those who installed HID kits, were you able to control the wire movement I just described above? The wires coming out of the bulb are attached by a round rubber piece and I wish I could find a way to attach it somewhere in order to control movement. Unfortunately, I have not found a way, so I have zip tied everywhere else, but this part of the wiring is slightly lose.

Thanks in advance for all input!

'10 Mazdaspeed 3 Liquid Silver Metallic - tints, clear bra, JDM 3000K fog bulbs, 6000K DDM HID Kit, CP-E Xcel Nano SRI, CP-E RMM, Forge BPV Ver. 2 - It's not turbo lag, it's foreplay!
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post #2 of 15 (permalink) Old 05-06-2010, 01:19 PM
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Re: Question about "vibrations" of HID bulbs.

I've been getting a little flutter from my HID lights as well. It was particularly more in the passenger side than the driver side. The driver side will flutter if it's a really bad bump. I was able to mitigate the problem on the passenger side a bit by going back in and zipping up some wires and double checking the bulb was nice and snug but was still getting noticeable flutter over large bumps. I went in again a few days ago and made sure the ballasts were secure and zip tied some more wires so that nothing would be seemingly flopping around but I haven't driven at night to see yet. But I'm with ya on noticing the flutter of the lights over large bumps.


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post #3 of 15 (permalink) Old 05-22-2010, 09:44 PM
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Re: Question about "vibrations" of HID bulbs.

sounds more like a ballast issue. first check to see if your bulbs are clicked in securely. surely that could be a main factor for vibration, and make sure the ballasts are secured tightly. vibration happened to me alot on my old car due to being lazy and not securing it (letting the ballasts dangle around in the engine bay lol). i drilled two screws to a bracket to hold down the ballasts to prevent shaking or vibration. try that method. im sure itll clear your problem

as for my wires, i had plenty of room to maneuver them securely to prevent the least use of movement. just make sure they dont touch nothing electrical. how do i know all this? i been through so many HIDs for like ever, and know how they work and how they dont work. hehe


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post #4 of 15 (permalink) Old 05-23-2010, 09:50 AM
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Re: Question about "vibrations" of HID bulbs.

My lights vibrate and shake over bumps as well. Vibrating lights are a common problem with the 2004-2009 mazda 3s especially with aftermarket hid kit installed so it could have followed on into the 2010 models.

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post #5 of 15 (permalink) Old 05-23-2010, 06:17 PM Thread Starter
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Re: Question about "vibrations" of HID bulbs.

[quote author=mazda3zmzm link=topic=172196.msg3668869#msg3668869 date=1274579094]
sounds more like a ballast issue. first check to see if your bulbs are clicked in securely. surely that could be a main factor for vibration, and make sure the ballasts are secured tightly. vibration happened to me alot on my old car due to being lazy and not securing it (letting the ballasts dangle around in the engine bay lol). i drilled two screws to a bracket to hold down the ballasts to prevent shaking or vibration. try that method. im sure itll clear your problem

as for my wires, i had plenty of room to maneuver them securely to prevent the least use of movement. just make sure they dont touch nothing electrical. how do i know all this? i been through so many HIDs for like ever, and know how they work and how they dont work. hehe
[/quote]

Hey thanks for the suggestion. Yeah the bulbs are definitely nice and tight, and the ballasts are stuck in place with double sided tape. I also used zip ties to keep the wires from moving, but even so, there is always a little room for them to move. The only two things that could be causing the vibrations are either the igniters (in the slim ballast kit, the igniters come outside the ballast and they can move a little, which I'm thinking about double-siding the igniters to the ballasts to keep them from moving), or it could be the bulbs themselves. Remember that aftermarket kits are re-based bulbs. The re-basing process may not be as sturdy as a factory bulb, in which case the capsule probably vibrates from the base when the car goes over bumps.

After some troubleshooting, I'm going to go ahead and say that chances are the problem comes straight from the bulbs themselves. I parked my car in my garage and while having the headlights on, I popped the hood and moved the wires and igniters, manually simulating the motion of what happens when the car runs over a bump, and I did not see any vibrations at all. This leaves the bulbs as the last choice.

If anyone else has anymore input on the subject, all opinions are welcome. What I just described is what I tried myself.

'10 Mazdaspeed 3 Liquid Silver Metallic - tints, clear bra, JDM 3000K fog bulbs, 6000K DDM HID Kit, CP-E Xcel Nano SRI, CP-E RMM, Forge BPV Ver. 2 - It's not turbo lag, it's foreplay!
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post #6 of 15 (permalink) Old 05-23-2010, 06:21 PM
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Re: Question about "vibrations" of HID bulbs.

It's more than likley the projector itself moving around. Grab the projector and see if it has any play in it thats whats wrong with mine.

Corksport SRI - 35/5% tint - Sumitomo HTR Z - MTX Audio - Lamin-x headlight/foglight film - Part Plaza eyelids - 6000k DDM HID- SR*S Exhaust - Hypertech - Grounded TB - VG Sharkfin Antenna - Mazda Club Of Kansas City
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post #7 of 15 (permalink) Old 05-23-2010, 06:23 PM
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Re: Question about "vibrations" of HID bulbs.

i made a post about my hids "flickering" I believe this is what I have, its pretty annoying, ill have my friend who deals with0 this shit a lot look at em next week to see if he can maybe make a new spacer or something.
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post #8 of 15 (permalink) Old 05-23-2010, 08:07 PM Thread Starter
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Re: Question about "vibrations" of HID bulbs.

[quote author=burgmo3 link=topic=172196.msg3669411#msg3669411 date=1274653283]
It's more than likley the projector itself moving around. Grab the projector and see if it has any play in it thats whats wrong with mine.
[/quote]

Correct....I did notice this before, where you can actually tug on the bulb from behind and move the alignment of the beam...however, if the projector is the problem, how come I did not get any vibrations with the stock bulbs? I believe that the bumps are harsh enough to make the HID vibrate on its base, but I do not think that the bumps are strong enough to make the projector move, even though it can be done by hand.

What do you think?

'10 Mazdaspeed 3 Liquid Silver Metallic - tints, clear bra, JDM 3000K fog bulbs, 6000K DDM HID Kit, CP-E Xcel Nano SRI, CP-E RMM, Forge BPV Ver. 2 - It's not turbo lag, it's foreplay!
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post #9 of 15 (permalink) Old 05-23-2010, 08:09 PM Thread Starter
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Re: Question about "vibrations" of HID bulbs.

Or better yet...let me ask the question: is anyone running stock low beam bulbs and getting vibrations? I guess if one of you still has the stockers on and wants to do us the favor and go for a ride at night and see if the light flickers over bumps, that would be greatly appreciated!

'10 Mazdaspeed 3 Liquid Silver Metallic - tints, clear bra, JDM 3000K fog bulbs, 6000K DDM HID Kit, CP-E Xcel Nano SRI, CP-E RMM, Forge BPV Ver. 2 - It's not turbo lag, it's foreplay!
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post #10 of 15 (permalink) Old 05-23-2010, 08:19 PM
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Re: Question about "vibrations" of HID bulbs.

I drove on stockers for long enough to know they don't flicker over bumps, also if you are at stock height, imagine what mine are like being lowered
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