GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

need info/instructions on how to swap gs headlights

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Old 11-05-06 | 04:04 PM
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Default need info/instructions on how to swap gs headlights

i have a 99 gs with a leaking headlight w/hid. i am looking at either a new or used bare lens and housing from either the dealership or used here. i was told i would need to transfer the bulbs and ballasts over... is it really that simple? do i have to break anything apart? advice needed...
Old 11-05-06 | 04:29 PM
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I think its pretty simple, the ballast is on the under side of the headlight, and it has a small rectangular cover hiding it. I think the ignitor is built into the ballast. (I could be mistaken) Bulbs are a snap. you shouldnt have to break apart anything. I have not messed with the GS headlights very much, but from all the pics and threads, I believe everything is pretty self explanatory.

one of the hardest things I think is removing the headlights themselves, I am pretty sure you have to remove the front bumper, once you have the headlights out, swapping everything should be a snap. Make sure not to touch any glass part of the bulbs with your bare hands tho.

Anyone that has actually gone thru this, that can give some more detailed insight?
Old 11-05-06 | 05:40 PM
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http://lexusmodz.netfirms.com/

#6 under exterior


I've taken my bumper out so many times that I can probably do it in 5 minutes now. LOL!
Old 11-06-06 | 07:41 AM
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i've just been informed that the ballast on the 99 models is actually mounted INSIDE the headlight... i would have to break it apart to get to it
Old 11-06-06 | 07:46 AM
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No. The ballast is mounted under the headlight. Its on the headlight, but you do NOT need to take apart the actual headlight. Remove bumper, disconnect the wiring and then the headlight itself. Once you have taken out the headlight, the ballast is held onto the headlight housing by (3) 8mm screws.
Old 11-06-06 | 08:49 AM
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i just called my dealer and their parts computer is down, but he recalls that the part numbers change from 2000-up because of the ballast location. for people who need to know... the 2000-up 2G gs ballast part number is 85967-30031 and it's almost $600 per side

thanks for the info everyone... it's starting to look not so simple anymore
Old 11-06-06 | 10:08 AM
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Originally Posted by Benjamin T
i just called my dealer and their parts computer is down, but he recalls that the part numbers change from 2000-up because of the ballast location. for people who need to know... the 2000-up 2G gs ballast part number is 85967-30031 and it's almost $600 per side

thanks for the info everyone... it's starting to look not so simple anymore
Nope it's all the same for all years. Ballast are ALL mounted under the headlight. Don't let them make a quick buck off of you! Also, you can find a set of used ballasts off of ebay for about $150-200 for BOTH sides.
Old 11-07-06 | 06:10 AM
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taking the ballast connection out of the housing can be tricky. the reflectors gets in the way so you may have to backout the reflectors.
Old 11-07-06 | 06:44 AM
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Originally Posted by Benjamin T
i have a 99 gs with a leaking headlight w/hid. i am looking at either a new or used bare lens and housing from either the dealership or used here. i was told i would need to transfer the bulbs and ballasts over... is it really that simple? do i have to break anything apart? advice needed...

define leaking. Is it standing water in there? or just moisture? If it's moisture some people have had luck drying them out with a hair dryer or resealing them and it never came back. Mine had a problem with moisture on both sides, I dried them out with a hair dryer on two seperate occasions and haven't had a problem since, it's rained pretty hard a couple of times and I've washed my car since then and it hasn't returned yet.
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