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Go Back   E46Fanatics > Tuning & Tech > Lighting Forum

Lighting Forum
Angel Eyes, DDEs, lighted rings, Clear Turn Signals, LEDs, Xenon, HID, or Bi-Xenon. If it lights up and you want to discuss it, post here!

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Old 11-30-2009, 06:46 PM   #1
skiierb54@
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Join Date: Sep 2009
Location: Illinois
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How to diagnose Xenon outage-ballast/igniter/bulb

Hi guys,

I just wanted to post because I came home today to find that while my relative was driving my car today (05 sedan 330) my driver side xenon light apparently went out.

After searching for quite a while i've found that any of these three parts or combination or parts could be the problem. My question is...

How do I best diagnose/troubleshoot the problem so I can avoid the dealership and replace the proper components myself making sure that I only replace what is necessary...Mind you the car only has 23K miles on it and I did not expect the bulb to go out!

I would assume to test all three components separately but I am not sure of the process...i have read the DIY of taking about the light assembly but just have no idea where to go from there..

Any help greatly appreciated!

Nolan
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Old 11-30-2009, 08:18 PM   #2
jaray
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Since I was just at the headlight swapping out my bulbs, I'll add my thoughts while I was in there.
Now that I've seen the contact points for where the ignitor or ballast make contact with the bulbs I could see this potentially being a problem at some point. I would think that if any of these metal contact surfaces was to become dirty or somewhat greasy you could experience the odd time where a bulb might not fire. Check the back of the red ballast/ignitor, I noticed a round flat metal contact. You'd definitely want to make sure that was always nice and clean for it to make a good contact.
Just a suggestion...
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Old 11-30-2009, 09:08 PM   #3
mujjuman
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first thing you should do, is to switch bulbs.
before you do, wear clean rubber gloves, so that any grease from fingers does not get on the bulbs and cause them to wear out quicker.
take the passenger side bulb and switch it to the drivers side. turn on your headlights and see if that works.
if it doesnt work, then the problem is iether with ballast or ignitor, and you have ruled out the bulb.

i hope its a bulb
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