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post #1 of 11 (permalink) Old 11-14-2012, 10:31 PM Thread Starter
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Headlight Issue on 2007 Cobalt

My daughter has a 2007 Chevy Cobalt that is having a headlight issue. The low beams work fine. When you click the switch to turn on the high beams, the headlights go off completely.

I replaced one bulb. Didn't work. Checked the high beam fuses and both are good.

Any ideas on what else might cause this problem? Thanks.
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post #2 of 11 (permalink) Old 11-15-2012, 05:39 AM
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Read through this thread maybe it will help.

https://www.yourcobalt.com/forums/pro...eadlights.html

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post #3 of 11 (permalink) Old 11-15-2012, 06:16 AM
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Welcome to the forum, stevelockridge!

Hopefully you're able to locate what is behind this concern with the headlights on your daughter's vehicle - it looks like Coby7 has you hooked up on some great tips. I'm limited on the technical advice I can provide, but let me know if you decide to work with a dealership as I'm available to help you work through that process.

Sarah, GM Customer Service

Have you checked into Chevrolet Owner Center? You can maintain service history, check on warranty or recall information, and more. Visit my.chevrolet.com!
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post #4 of 11 (permalink) Old 11-15-2012, 09:00 AM
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Steve,

I have the same problem, I have my high beams on (then when with the highbeams I turn my right signal only the lights go out). Any ideas?

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post #5 of 11 (permalink) Old 11-15-2012, 10:57 AM
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mrw5641,
It looks like you're hoping to resolve this on your own as well; if you do decide on working with a GM dealership I'm available to work with you through that process. In the meantime, I wish you luck in finding the culprit behind your light problems.
Sarah, GM Customer Service

Have you checked into Chevrolet Owner Center? You can maintain service history, check on warranty or recall information, and more. Visit my.chevrolet.com!
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post #6 of 11 (permalink) Old 11-15-2012, 10:09 PM Thread Starter
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Originally Posted by ChevyCustSvc View Post
Welcome to the forum, stevelockridge!

Hopefully you're able to locate what is behind this concern with the headlights on your daughter's vehicle - it looks like Coby7 has you hooked up on some great tips. I'm limited on the technical advice I can provide, but let me know if you decide to work with a dealership as I'm available to help you work through that process.

Sarah, GM Customer Service
Sarah, thanks. I have one of the best GM dealers around in my area. I would just prefer to avoid a big cost for something I should be able to fix myself.
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post #7 of 11 (permalink) Old 11-16-2012, 05:49 AM
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It might be your high beam switch in the lever. Start by eliminating the circuit after the fuses. Once you know that all your lights work fine then with a jumper wire you can ground pin "44" of "C1" of the BCM fuse block. This will activate the high beam relay. If high beams come on then you know your problem is before this point. Then you can jumper pin "3" and "4" of "C2" of the BCM, this will verify that the "BCM" is working fine if the high beams come on. If they come on at this point then you have to look at your high beam switch at the column, make sure connector is secure or replace switch.


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Last edited by Coby7; 11-16-2012 at 06:00 AM.
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post #8 of 11 (permalink) Old 11-16-2012, 06:56 AM
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Originally Posted by stevelockridge View Post
Sarah, thanks. I have one of the best GM dealers around in my area. I would just prefer to avoid a big cost for something I should be able to fix myself.
Don't worry - I completely understand and hope that you're able to get it resolved in no time!

Sarah, GM Customer Service

Have you checked into Chevrolet Owner Center? You can maintain service history, check on warranty or recall information, and more. Visit my.chevrolet.com!
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post #9 of 11 (permalink) Old 11-16-2012, 07:57 AM
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Every minute spent angry is a happy minute lost for ever and ever!!!
Drives 2016 Cocoa Buick Encore 1.4L Turbo auto KL4CJDSB2GB652675
Drives 2016 Sunset Orange Trax LT1 1.4L Turbo auto 3GNCJPSB8GL142716

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post #10 of 11 (permalink) Old 11-16-2012, 02:18 PM Thread Starter
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Coby, you're the man. This is the info I needed to track this down. I know what I'll be doing tomorrow.
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