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G37x headlight keeps failing

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Old 09-13-2019, 11:47 AM
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Cameron2
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G37x headlight keeps failing

Hi guys,
My left headlight goes out and stays that way 90% of the time. Sometimes it turns on. I've replaced the ballast twice and the bulb once. The ballast replacement worked for a few months both times but eventually the light went out again. Any ideas what the heck is going on?
Thanks.
Old 09-13-2019, 12:39 PM
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1scG37s
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Are you using OEM Bulbs and ballasts? My headlights keep failing when I installed Morimoto xB bulbs, but after going back to oem they worked like a charm. I've read somewhere that the Ballasts on our g's are quite particular about which bulb and wattage it requires.
Old 09-13-2019, 01:11 PM
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Cameron2
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Ballast is not OEM but the bulb is.
Old 09-13-2019, 02:12 PM
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1scG37s
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Originally Posted by Cameron2
Ballast is not OEM but the bulb is.
I think that might be your issue.I hate to tell you this but getting an OEM Ballast might be your solution to the whole situation.

Last edited by 1scG37s; 09-13-2019 at 02:18 PM.
Old 10-05-2019, 08:27 AM
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Spadds76
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I was told by me local dealer that you simply cannot buy an OEM balast. It's listed at item 4 on the head light drawing - you have to buy a whole new headlight for $1500, which is great.

So, what are people doing about this?

My headlight isn't working. I bought a new bulb but it didn't work, so I suspect the ballast is shot. if it is, where do I buy one. Being the fact that you have to remove the front bumper from the car I was looking to buy 2 new ballasts and 2 new bulbs so I hopefully never have to do this task again.

I was also contemplating some LED upgrades but haven't had a chance to look for any DS2 fitments yet - this could be much easier way to go?
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