After crash HID FSA headlight out - Mazda3 Forums : The #1 Mazda 3 Forum
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post #1 of 6 (permalink) Old 09-14-2018, 03:51 PM Thread Starter
Bicycle Rider
Join Date: Sep 2018
Posts: 6
After crash HID FSA headlight out

Hello, my now 17 year old apparently wasn't paying attention and tried to drive my 2010 Mazda 3S hatchback under the bus stopped in front of him. Aside from the hood that I will have to replace, which should be easy, albeit expensive, the driver side headlight won't light. The turn signal and other light in the same assembly work but not the headlight part. Unfortunately, I have the HID AFS Headlight system-give me dependable halogens or LED anyday, I don't need my headlights to move as I turn.

I attached some pics. I took off the cap that gives you about an inch of space clearance and moved the headlight socket/bulb freely. So, I think that parts okay as it isn't stuck and feels like it moves on track or on it's axis easily. So, my question is, what could be wrong?

You can see where part of the assembly broke in pic but everything deeper in looks good. Could the bulb be cracked? Could a ballast be broken? What's in there that might have gotten cracked or broken or loose? Any ideas what I should test before removing bumper and headlight? Honestly, If I could throw a halogen in there I would and just do the same for the oher side. My car has 109K miles. The only mod I did was replace the horrifically crappy Bose amp and speakers(kept the head unit) and wired in a new amp, speakers and sub-I only did this because my extremely overrated Bose amp broke.

Thanks very much in advance.
Attached Images
File Type: jpg Car Light 3.jpg (273.9 KB, 7 views)
File Type: jpg Car light 2.jpg (211.5 KB, 9 views)
File Type: jpg Car light 1.jpg (398.8 KB, 7 views)

Last edited by Alucard41; 09-14-2018 at 07:28 PM.
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post #2 of 6 (permalink) Old 09-15-2018, 09:53 AM Thread Starter
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Join Date: Sep 2018
Posts: 6
I was thinking about buying one or two D2S HID replacement bulbs hoping that my driver's side bulb cracked upon impact. I failed to mention that neither my low or high beam works on that side. I see they are priced anywhere from $9.95 to $125. Eeek, that sure is alot for light bulbs, HID or not. I don't want to go to all of this work and put in a low quality bulb but a low price doesn't necessarily equate to low quality nor a high priced bulb high quality. I just don't want to take my bumper off along with the headlight assembly and then, not have the use of my car until I replace the buld or fix whatever needs fixed. I'm sort of thinking out loud here.....

Thanks for any opinions as to my plan or suggestions for a better way to fix my headlight.

Last edited by Alucard41; 09-15-2018 at 09:58 AM.
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post #3 of 6 (permalink) Old 09-16-2018, 11:18 AM Thread Starter
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Okay, I decided to start by buying a cheap pair of D2S HID bulbs for $9.95. That's correct, $9.95 for two. Hundreds of positive reviews. I just need them to last me a couple of years and honestly, I don't care if they are blue or white or something in between. I understand the risk I'm taking and having one of these go out on me when I'm in the middle of nowhere. But, this could happen with expensive bulbs as well. Plus, if the bulb is not the problem then I'm only out $9.95. If going for generic bulbs, might as well go with the cheapest. I will let everyone know how it goes once I recieve them and install them.
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post #4 of 6 (permalink) Old 09-23-2018, 07:17 PM Thread Starter
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Update: After taking off the bumper, I removed the headlight assembly. I replaced the bulb with a new one and unfortunately, my headlight still doesn't work. I tried a couple of times to no avail. I did find a little bit of water in the fixture because of the crack, I suppose. I got that out thinking that perhaps this shorted things. However, after drying everything and putting it back it still doesn't work. The headlight assembly is dented-it's not glass or it would have broken so I'm guessing it is some type of polycarbonate. Anyway, headlight doesn't work. Crap!

The old bulb looked good in that it wasn't cracked, bent or discolored. I checked all plugs and wiring and nothing seemed out of order. I checked the fuses more out of wishful thinking and they were all good. I suppose it could be the ballast but that is sort of near the bottom of the fixture, away from where it was bonked, and there is no reason I know of why the ballast would stop working. I don't want to swap ballats to see if that's the issue because it seems too much of a long shot. Anyway, my car is back toegether with only one working headlight. I will use my low beames and my fog lights at night so it won't be too bad. I don't want a ticket, however. I just want it to last another year, two at the max.

Any ideas other than buying a new/used assembly? I don't even know if a new assembly would come with the plugs, wiring and ballast.
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post #5 of 6 (permalink) Old 12-30-2018, 09:04 AM
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Long time since I've been here, but did you get this solved, or are you still running one headlight? I have a 2010 with the same projection steering-following headlights.

Found this exploded headlight diagram for the 2010 Mazda 3. Yikes they charge an arm and a leg for those DS2 Bulbs!!!

Here is a video I found about the difference in these bulbs:

2010 Mazda 3 s Grand Touring
Liquid Silver, 6-Speed Manual
K&N CIA, Racing Beat Exhaust
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post #6 of 6 (permalink) Old 12-30-2018, 09:57 AM Thread Starter
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Hi, after about a couple weeks, my headlight came back on! This is with the original bulb. The only thing I could think of was that a crack might have let in moisture and it finally dried by itself. Or, there was some kind of short and all the vibration of driving and potholes fixed the problem. But honestly, I don't know.
I will say, while I do have the xenon headlights that swivel with the direction of the car, I think things like this are a rediculous waste. I could have spent well into the thousands just to fix a headlight. No reason to complicate things to the point that there is little added value. Case in point are washers and dryers. I have a very nice set, albeit older and without the touch screen panels. They get the job done as well or better than the new glass top, front loading wizards with touchscreen everything. And, I can easily fix these if and when they break. On the other hand, go on the Craigslist and you will see so many newer washers and dryers for sale because they don't work as well and nobody, including the service people, know how to fix them. Even people that buy new ones hate them-read the reviews. Anyway, my point is, I'd rather just have simple headlights that work.
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