GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

what could be wrong? d4s or ballast?

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Old 08-25-12, 01:40 AM
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xmike714x
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Default what could be wrong? d4s or ballast?

My driver side light goes out once every so often. It doesnt flicker or anything...it just goes out. Like night it will work perfectly fine. But today it would work for a good 15 mins, then shut off. You think its a faulty ballast or bulb?
Old 08-25-12, 02:51 AM
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BurgBoxstr
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Could be bulb or ballast. Simple test...

Swap bulbs side to side in vehicle. If issue remains on driver side then it's the ballast. If it moves to px side it's the bulb.

Good luck
Old 08-25-12, 04:52 AM
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Euphoria83
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My car has developed exactly the same problem. Will try that also
Old 08-27-12, 12:12 AM
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xmike714x
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yeh didnt want to do that but guess i have to. what if the car is still under warrenty, can i just bring it in and let them deal with it?
Old 08-27-12, 05:24 AM
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Drzava
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Usually the bulb.
Old 08-27-12, 05:39 AM
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AustinSBP
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try swapping the left and right with each other and see if the problem follows the bulb. if its the bulb i bought my 6000K bulbs off of ebay for $25 and had them in since march.....still burning strong.
Old 08-27-12, 10:51 AM
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GS350Lexus
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Its the bulb!!!!!!!!!!!!!
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