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Left turn signal won't flash

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Old Mar 2, 2008 | 07:14 PM
  #1  
audi_a4_2003's Avatar
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Default Left turn signal won't flash

I replaced my left turn signal bulb. Theyellow light comeson when the headlamps are turned on, but it won't flash on and off when I turn the signal on. Any ideas? I checked the manual, and did not see any fuse related to turn signals. Help please.
 
Old Mar 2, 2008 | 07:38 PM
  #2  
auditech79's Avatar
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Default RE: Left turn signal won't flash

Its probably the electrical socket. Go out to the car and turn on the left turn signals, then tap on the left fender. If the light magically starts working then you need the socket. Its just a small plastic piece that pops into the headlamp assembly, its a common problem.
 
Old Mar 2, 2008 | 07:49 PM
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Default RE: Left turn signal won't flash

Well I tried tapping on the fender and it still won't blink. I supposed the problem could still be the socket. I assume you're talking about the removable socket that the bulb goes directly into.

When I was replacing the bulb earlier, I noticed that one of the metallic contacts on the socket looked different than the others. 3 have a very shiny appearance, while the 4th has a dull finish. Could this have anything to do with it?

I guess I can takeapart the right assembly and use that socket for the left turn signal to try and diagnose the problem.
 
Old Mar 2, 2008 | 08:53 PM
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Default RE: Left turn signal won't flash

Yeah its most likely the tabs in that plastic socket that either have too much electrical resistance or an open circuit.
 
Old Mar 2, 2008 | 08:54 PM
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Default RE: Left turn signal won't flash

Happened to mea couple of months ago. I just went ahead and replaced a bulb.
Maybe you put a wrong bulb.
 
Old Mar 2, 2008 | 09:09 PM
  #6  
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Default RE: Left turn signal won't flash

Dealer part?
 
Old Mar 4, 2008 | 03:26 PM
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Default RE: Left turn signal won't flash

Is there a fuse wired to the turn signal?
 
Old Mar 12, 2009 | 10:23 PM
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same problem for me. not sure wut it is. replaced bulb and it still does the same.
 
Old Mar 12, 2009 | 11:41 PM
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I am also in the same boat. My front right turn signal has been out for a good 6 months... Im surprised I dont get pulled over for it all the time..
 
Old Mar 25, 2009 | 08:11 PM
  #10  
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***FIXED ****


Replaced the plastic housing that the bulb sits in. FIXED.

I tried using the plastic housing from the other side and it worked fine when I installed it in the left side.

Got it from dealer for 15 bucks.
 



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