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post #1 of 14 (permalink) Old 01-14-2013, 09:30 PM Thread Starter
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Blinker Problem

All right all. Here is my problem. I have a 2008 Cobalt. My right hand blinker in the front doesn't work. The rear however blinks just fine. I get the typical fast blink in the dash. the bulb itself is fine. Lights up and every thing. Just no turn signal. I had a problem with condensation in that light housing. I found the hole, but have yet to fill it, with hopes that it will dry out. Could that be a problem? I even took the bulb out of the left and replaced it and get the same thing. Let me know if there is any more info you need! Thanks.
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post #2 of 14 (permalink) Old 01-15-2013, 05:56 AM
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You say the bulb lights, but doesnt blink, yet the rear one blinks fast?

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post #3 of 14 (permalink) Old 01-15-2013, 08:35 AM
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You have an open circuit for your front blinker. If not the bulb maybe a broken or burnt wire.

Do your DRL's work?

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post #4 of 14 (permalink) Old 01-15-2013, 11:01 AM Thread Starter
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Leveecius- Yes, the bulb lights, but no blinker yet the rear blinker works fine. But it has that fast blink saying that a bulb is out.

Coby- My DRL's do indeed work, as do my high and low beams (in case you need to know), and how do I find if I have an open circuit?

Thanks all for answers!
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post #5 of 14 (permalink) Old 01-15-2013, 11:36 AM
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Blinker bulb has two filaments, one for park lights which I assume is the one that's on in the front and a blinker filament (much brighter). You can test this with volt meter right at the socket. You may want to check the connector that plugs the housing to the harness, sometimes pins get pushed in. Like this one upper right corner.


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Last edited by Coby7; 01-15-2013 at 12:39 PM.
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post #6 of 14 (permalink) Old 01-15-2013, 03:54 PM Thread Starter
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Ok, I know the problem isn't the bulb, so it must be in the wiring. Where exactly at the socket would I test with the volt meter and what should my readings be? Thanks

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post #7 of 14 (permalink) Old 01-15-2013, 04:28 PM
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Best if you have a meter with a needle or a 12Volt trouble light. 12 volts to ground and blinker will go from 0 to 12. Here is housing socket pin-out for right headlamp housing.


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post #8 of 14 (permalink) Old 01-15-2013, 08:11 PM Thread Starter
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Much thanks for that. My next set of days off, I will put it to good use. I will let you know what I come up with.
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post #9 of 14 (permalink) Old 01-15-2013, 08:46 PM
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You Check your blink fluid yet?

The guy below me sucks
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post #10 of 14 (permalink) Old 01-15-2013, 10:43 PM Thread Starter
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Blinker Problem

Oh ya, completely topped off.....
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