Question about 2005 Audi TT

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Audit TT passenger headlight goes out

Passenger light goes out on 2005 TT. Turning headlights off and back on seems to ''fix'' the problem for a while. Swapped bulbs from side to side and problem stayed with the passenger side.

If it's the ''ignitor'' can someone explain why the bulb would come on then go off? Isn't the ignitor's job to turn the bulb on and once on shouldn't it stay on without the ignitor being involved? And if it's the ignitor then why would turning it off then on ''fix'' the problem? If the ignitor is bad, wouldn't it fail to ''ignite'' when you turn them on?

I'm really not arguing just trying to understand since the ignitor is rather expensive...it just seems like it would be something else.

thanks for any insight.

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The ignitor or ballast must stay energized for the bulb to stay lit..If the bulb comes on then goes off, or flickers, then the ignitor is defective. You are in the early stages of failure, it will eventually stop working altogether

Posted on Sep 18, 2009

Testimonial: "Replaced ignitor and problem is gone. The "name" of the ignitor made me think that once "ignited" the lights would stay on. Thanks."

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I'm having the same problem wiht my 2004 TT. Luck for me, the problem followed the bulb. I can't answer the question about the ignitor, though replacing it seems to be your fix. The ignitor ain't cheap, but the cheapest place I've found is www.1stvwparts.com. Good luck.

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6. Make sure everything is firmly in place. Reconnect your battery and test the lights. Finish putting anything else back on.

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