12-08-2011, 01:21 PM
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#1
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GLS member
Join Date: Apr 2008
Location: Roma, TX
Posts: 1,543
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Horn Honks on Its Own
Hello everyone. Lately my car has started to honk on its own during the night. I took it to the mechanic yesterday and he just replaced the horn relay saying that that could be it. Last night however, it honked again. It isn't a short honk, but a long one as if someone were leaning on the horn. Now, I will probably take it to the mechanic again next week but on the mean time,
Does anyone know what else it could be?
Also, I probably will not get to work on it, so most likely, as a temporary fix, I am just going to remove the relay.
Does anyone know where the relay is and if it affects anything else besides the horn? I can't find my owners manual.
On a side note; it only seems to do this when it is cold out, hence it does it only at night.
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Cleared corners-RF P1 Subs- RF 201S Amp- Memphis Audio 4x6's and 6x9's-JVC Arsenal KD-APD89 Head Unit-front and rear z-spec strut tower brace- KYB GR2 struts- Intrax Springs- Magnaflow Muffler
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12-08-2011, 01:32 PM
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#2
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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horn switch is pretty much all it could be.
no power through the switch --> no power to the relay --> no power to the horn
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12-08-2011, 02:10 PM
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#3
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GLS member
Join Date: Apr 2008
Location: Roma, TX
Posts: 1,543
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Where would I find the horn switch to switch it off?
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http://www.cardomain.com/id/nothingbutolds
Cleared corners-RF P1 Subs- RF 201S Amp- Memphis Audio 4x6's and 6x9's-JVC Arsenal KD-APD89 Head Unit-front and rear z-spec strut tower brace- KYB GR2 struts- Intrax Springs- Magnaflow Muffler
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12-08-2011, 02:18 PM
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#4
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Premier V.I.P. Member
Join Date: Dec 2009
Location: New Hampshire
Posts: 1,979
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behind the air bag in the steering wheel. could just pull the fuse.
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The dumbass that shows up randomly 10 years after selling the car.
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12-08-2011, 03:00 PM
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#5
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GLS member
Join Date: Apr 2008
Location: Roma, TX
Posts: 1,543
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Yeah, pulling the fuse or relay does sound easier. I think I will try that. Thank you.
Update: I just removed the horn relay, I googled and learned that it is relay 21 in the fuse box in the engine compartment. It does not seem to have affected anything besides the horn, but if something is affected, I will keep everyone updated.
__________________
http://www.cardomain.com/id/nothingbutolds
Cleared corners-RF P1 Subs- RF 201S Amp- Memphis Audio 4x6's and 6x9's-JVC Arsenal KD-APD89 Head Unit-front and rear z-spec strut tower brace- KYB GR2 struts- Intrax Springs- Magnaflow Muffler
Last edited by Valley olds : 12-08-2011 at 04:07 PM.
Reason: Updated
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12-08-2011, 09:07 PM
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#6
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GLS member
Join Date: Jun 2011
Location: Canada
Posts: 1,319
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Pull out your passenger side headlamp. Right under there are the horns. Check wires to make sure they have not corroded or rubbed through on one another. Has to be a short there somewhere. For it to be happening when it gets cold tells me there is condensation forming and causing a short. I bet as your underhood cools, the air in there is hitting the dew point, collecting on a bare wire somewhere and making your horn go off
The other one Im thinking is to check the underside of the underhood fuse block for corrosion
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Last edited by MMGT1 : 12-08-2011 at 09:09 PM.
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12-31-2011, 10:18 AM
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#7
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GX Member
Join Date: Aug 2011
Location: Vancouver BC
Posts: 203
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Pull the horn out and replace. Mine sounded off last month till it melted down the electrical connection on the side on the horn.
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Bessie Braddock: “Sir, you are drunk.”
 Churchill: “Madam, you are ugly. In the morning, I shall be sober.” 
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01-20-2012, 12:33 AM
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#8
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GX Member
Join Date: Oct 2009
Location: NYC
Posts: 62
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My horn went off for no reason one night n burnt itself to death by morning, 8 years ago. I just replaced the horns n no problems yet.
Weird!
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01-20-2012, 01:08 AM
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#9
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Premier V.I.P. Member
Join Date: May 2011
Location: Ferdinand Indiana
Posts: 2,742
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I had this problem when it first got cold. my horn never worked again after the 2nd time it went off (it went for a LONG time) all the horn can do now is click when i hit it. I am 99% certain its the horn its self screwing up. I havent got around to replacing it or anything yet though. so I just have the fuse pulled.
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3rd alero- 02 GX 2.2 5sp coupe. drove for 3 years 55,000 miles. Sold for a kids first car, and missed
01 Intrigue GX
2016 Chevy SS, Jet Black
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01-20-2012, 01:22 AM
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#10
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Captain Funpark
Join Date: Jan 2006
Location: Vincennes, IN
Posts: 7,034
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Could you imagine how awesome this would be if it was connected to a train horn?  |
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01-20-2012, 08:24 AM
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#11
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Premier V.I.P. Member
Join Date: May 2011
Location: Ferdinand Indiana
Posts: 2,742
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Quote:
Originally Posted by cavaliers60
Could you imagine how awesome this would be if it was connected to a train horn? |
I have no idea where to look for those...
__________________
3rd alero- 02 GX 2.2 5sp coupe. drove for 3 years 55,000 miles. Sold for a kids first car, and missed
01 Intrigue GX
2016 Chevy SS, Jet Black
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01-20-2012, 10:52 AM
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#12
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GL Member
Join Date: Sep 2009
Location: Iowa
Posts: 978
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Google train horn kit and you'll find them
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stock 2.4  -building a WAI to a CAI  3A Racing muffler- ~Kicker Door speakers and Power Accustic rear speakers  10% tint 18x7.5 Alt Sonix, 2001 GLS sedan
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01-20-2012, 11:23 AM
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#13
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GL Member
Join Date: Jul 2011
Location: Montgomery,Al
Posts: 308
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Quote:
Originally Posted by cavaliers60
Could you imagine how awesome this would be if it was connected to a train horn? |
I have buick horns on mine off a park ave. (4 horns) Sound boss but not as loud as a train 
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Quote:
Originally Posted by xXManwhoreXx
I could never actually get rid of the alero as much as I hate it some times
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Baby Sandy: 2001 2.4 Grand Am se 1.5 (auto) 32k-119k : Sept.2002-Aug.2010 
Mickey: 2001 Alero GL 2.4 5-speed (Nov. 2010) 109k-??? 
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