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horn not working

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Old Dec 22, 2013 | 12:12 PM
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ramullins86's Avatar
ramullins86
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From: va
horn not working
My horn will not work when my lights are on but it will work when the lights are off. Its a 05 cobalt ls
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Old Dec 22, 2013 | 01:14 PM
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From: Mississauga, On
Welcome to GM electrical systems lol I can't help with your problem but be prepared for more.

Check all the fuses, and grounds. Make sure no wires are split or damaged.
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Old Dec 22, 2013 | 03:14 PM
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From: Livonia, MI
I heard of a problem like this in class but i cant remember the solution. Check the horn bolts, it may be case grounded. If i was on a computer id look up some diagrams for you.
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Old Dec 22, 2013 | 07:12 PM
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From: Surrey BC
If horn broken use your finger
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Old Dec 22, 2013 | 07:29 PM
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Originally Posted by mr bill
If horn broken use your finger
Sometimes both are needed for full effect.
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Old Dec 22, 2013 | 07:44 PM
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From: Haslet, TX
Have you checked the horn fluid?
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Old Dec 22, 2013 | 10:21 PM
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From: Surrey BC
Ya it might be low
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