Headlights Yet Again - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 6 (permalink) Old 07-25-2013, 09:49 PM Thread Starter
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Headlights Yet Again

Ok this is the third time my car has done this in the 2 1/2 years I have owned it and would like to get it fixed right this time. The headlights stay on all the time unless I pull the fuses for both low beans and the parking lights. If I wiggle the wires coming out of the BCM they stay off for awhile then the problem comes back after time. Can anyone tell me how to take the harness apart and which wire is coming from the switch to the BCM?
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post #2 of 6 (permalink) Old 07-26-2013, 03:20 AM
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I'm not sure what the problem is but I had headlight issues a while back. When I'd turn on my left turn signal at night, my brights would come on. Eventually the turn signal stopped canceling so I replaced the switch. Fixed both problems.


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post #3 of 6 (permalink) Old 07-26-2013, 02:35 PM Thread Starter
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post #4 of 6 (permalink) Old 07-27-2013, 07:49 PM Thread Starter
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Ok this headlight really has me now I learned last night if I press hard on the passenger side of the radio or center console the lights go out until I quit. Is there a ground behind there somewhere?
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post #5 of 6 (permalink) Old 07-27-2013, 08:23 PM
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No but the BCM harness runs on that side. Probably have a chafted wire in the bundle.

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post #6 of 6 (permalink) Old 07-27-2013, 09:11 PM Thread Starter
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Well I got mad at it just a little while ago and hit the console and they have stayed off so far but I think tomorrow I am gutting the car and trying to find the problem. Is the any trick to taking the C1 and C2 connectors apart to check the wires in there and what wires have to do with the headlights? Thanks in advance for any help
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