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Old 01-04-2005, 10:25 PM   #1
trail*of*dead
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Default My low beam HIDs just stopped working, troubleshooting help please.

I cleared my STi lights about three or 4 days ago, put it all back together, everything has been working perfectly. Tonight I am up in Knoxville and suddenly the low beams will not work. High beams, side headlight running lights, and blinkers all work perfectly. I checked all the fuses in the dark, and I could not see any of them to be broken. Any one have some step by step trouble shooting and things I should check before I take it to the dealer?
This is for a 04 Sti. Thanks for reading.
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Old 01-05-2005, 02:54 AM   #2
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You mean both left and right HID are all out?

Maybe the ballast is having problem.
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Old 01-05-2005, 04:56 AM   #3
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everything but the low beams (HID) work fine. I guess I need a checklist of stuff to check tomorrow when I wake up.
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Old 01-05-2005, 10:07 AM   #4
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myles headlights were cleared then not sealed properly. when i opened them up. at l least half a cup of water was sitting inside. and it basically flooded the ballast.

because sti's have bottom mounted ballasts, wiht electrical terminals facing upward, its extremely important to seal the headlight back up correctly.

otherwise, water accumulates and makes its way quite easily into the ballast. take the headlight out, unscrew the ballast from the bottom, and see if theres a lot of moisture inside. it'd be an easy check as opposed to cracking the whole headlight open again
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Old 01-05-2005, 10:26 AM   #5
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I was going to post this as well. A number of people have experienced this problem after clearing their STi lights due to water intrusion into the ballasts. This is the most likely cause of your problem. If you are lucky you will be able to remove the ballasts and dry them out to restore their function. Otherwise you will need new ones for $$.
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Old 01-05-2005, 10:44 AM   #6
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myles' ballasts were shot. had little burn marks at the wires and had that "newly fried circuit board" smell.


thats why he opted to have a projector retrofit done as opposed to replacing the ballasts from soa.

there are a few ballasts that are compatible iirc. nissan maxima i think uses the exact same ballast, just one of the mounting tabs is missing.
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Old 01-05-2005, 05:22 PM   #7
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That would make sense, as I went through a car wash shortly before they went out. I guess I will take them out and see if anything is fried. If there is water, I think i will go buy some more of the goop and reseal them. I just hope I didn't cook anything. otherwise I might be calling you up for the Myles conversion also.
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Old 01-05-2005, 05:35 PM   #8
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my ballast was flooded for a good week or so, but after i dried it out in the oven, it worked fine.
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Old 01-05-2005, 05:55 PM   #9
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I don't suggest drying the ballasts in the oven, but you should be absolutely certain they are completely dry inside before attempting to power them up again. I haven't looked at the ballasts in the STi, but it should be possible to open them up and dry out the circuitry and housings with some compressed air, maybe a hair dryer.
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Old 01-05-2005, 06:01 PM   #10
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its extremely difficult to open, iirc, its like a torx but a pin sticks up in the center.

pressurewashing will definately leak itsway into a poorly sealed hosuing.

the isobutyl glue is hard to find these day so i used 3m weather strip adhesive. it still seperates nicely. but its a tad messy to work with.
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Old 01-05-2005, 06:04 PM   #11
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Quote:
Originally Posted by psyber_0ptix
myles headlights were cleared then not sealed properly. when i opened them up. at l least half a cup of water was sitting inside. and it basically flooded the ballast.

because sti's have bottom mounted ballasts, wiht electrical terminals facing upward, its extremely important to seal the headlight back up correctly.

otherwise, water accumulates and makes its way quite easily into the ballast. take the headlight out, unscrew the ballast from the bottom, and see if theres a lot of moisture inside. it'd be an easy check as opposed to cracking the whole headlight open again
Ding ding,, we have a winner. Popped the hood 5 minutes per headlight later I find that both have water in them. I guess I am going to dry them out for a while and hope that the drive home with my highbeams on didn't totally destroy them. Anyone have suggestions how I should proceed from here? I am planning on taking both headlights apart and resealing them obviously. Any things that I should not do, or should make sure that I do? I don't have a lot of knowledge with HID systems.
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Old 01-05-2005, 06:05 PM   #12
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Oh and PS: how much would the Myles upgrade cost me?
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Old 01-06-2005, 12:12 AM   #13
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well, myles ballasts were shot so instead of going ot the subie dealership ready to bend over, he opted for a projector upgrade.

the total was kinda pricey, but not horrible considering he wa starting from scratch.

550 for everythign shipped next day. projectors, new D2S bulbs (used in projector as opposed to stock D2R), shrouds and brand new phillips ballasts
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Old 01-06-2005, 12:16 AM   #14
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try drying the ballast out either leaving it in a dry space, or a hair dryer

dont try to open them up.... but try to get as much water out as possible. do NOT get adhesive/sealant on the front of the headlamp, it would be very difficult to clean.

do NOT use silicone. once sealed, it will be a pain in the ass to ever seperate the lenses again (shoudl you need to for some freaky reason)
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Old 01-06-2005, 02:52 AM   #15
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I bought some Black super weatherstrip adhesive Item # 81850 82 made by Permatex. Is that an ok choice, or should I try to find something else. And If my ballasts are totally jacked up, I might be giving you a call.
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Old 01-06-2005, 03:05 AM   #16
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Quote:
Originally Posted by psyber_0ptix
try drying the ballast out either leaving it in a dry space, or a hair dryer

dont try to open them up.... but try to get as much water out as possible. do NOT get adhesive/sealant on the front of the headlamp, it would be very difficult to clean.

do NOT use silicone. once sealed, it will be a pain in the ass to ever seperate the lenses again (shoudl you need to for some freaky reason)
oops. i used silicone. i had it lying around and i didn't want to go out and buy weatherstrip.

i guess i won't be needing to open the lenses now - they've gone through countless touchless washes and rainstorms.. not a drop.
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Old 01-06-2005, 12:12 PM   #17
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YEA, its a "just in case measure"

if you have it sealed properly the first time, then theres no worry about taking them apart.

if you want to do something with them later (i.e retro fit) then you may want it to be removable

either way, as long as theres no water in the headlight, the bulbs and ballast will be safe and happy
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Old 01-07-2005, 10:30 AM   #18
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Well the lights are in the oven, and I am about to open them up and de-water them, then reseal. You might be hearing from me shortly psyber if anything is cooked.
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