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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 01-30-2016, 12:13 AM   #1
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Join Date: Aug 2015
Location: San Diego
Posts: 4
My Ride: 330ci
Driver side Xenon will not work.

First off just wanna say hello to everyone, long time lurker first time poster(second actually, ha ha).

Car: 2004 330ci (Facelift Coupe FTW!)

Story: So I went to install some H7 bulbs for my DRL's and afterwards my driver side xenon will not work. My Auto Light switch on the LCM is blinking green, which im assuming is because the light is out. I have had zero issues with my lights until I put in the H7 DRL bulbs.

Trouble shooting: So far I have switched bulbs and ignitors. I will be doing the ballasts tomorrow when the sun is out. I have searched the forum and found -Sillieidiotís Lighting-related Troubleshooting Guide- which I will be following.

My Question: Before I go digging around and switch ballasts, I want to know if there is any possible way of shorting a wire when i was putting in the H7. My hands are kinda big but not gigantic so i had to fiddle with the bulb a bit to get it in there.

**-Are there wires that lead to that part of the housing that I should check to make sure nothing was shorted?

-The wires themselves are quite brittle and the sheathing has fallen off from the H7 connector wires(I put electrical tape on them after noticing just for a quick fix) and the sheathing for the green wire on the connector that goes to the igniter was deteriorated as well.(same electrical tape fix just for right now)

-Also I have done the corner light delete mod. I am running load resistors and have had zero issues with them. Just stating this in case it helps anything.

Thanks in advance.
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Old 01-30-2016, 03:24 PM   #2
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Join Date: Aug 2015
Location: San Diego
Posts: 4
My Ride: 330ci
Soooo I swapped ballasts and nothing.

Back to the drawing board. Where should I start looking now?
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Old 01-30-2016, 07:57 PM   #3
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Join Date: Aug 2015
Location: San Diego
Posts: 4
My Ride: 330ci
Fwiw I fixed it. Basically I plugged it in the passenger side to see if it's the housing itself. It worked. So the culprit is the plug I'm guessing.
So I removed the headlight female plug and behold:


wires were deteriorating and grounding out.

So I removed the wires and heat wrapped them. Buttoned everything back up and good to go. However I still have that blinking green light. But luckily here is a plethora of info regarding that little guy. If I still can't get it fixed, hopefully one of you guys can help.

Last edited by Solidjake; 01-31-2016 at 07:33 AM.
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Old 01-31-2016, 07:33 AM   #4
Zero. Leaks.
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Join Date: May 2008
Location: NYC
Posts: 27,688
My Ride: '02 330i 6MT
Common problem on the facelift coupes. Not sure if there is a wiring harness/plug replacement option for it.
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