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Horn intermittently goes off - C Citroen Cars & Trucks

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How can I remove the horn relay from a 1995 buick lesabre


I believe it is the fourth relay from the left passenger side in the engine compartment against the firewall. I am assuming your horn intermittently goes off by itself. It's a interior heat related issue. The horn pad cover on the steering wheel has a membrane layer. It's basically a switch that has one wire that goes to the horn relay to activate the horn. The Buick GM logo embossed on this plastic cover is where I found it most sensitive to any light touch. Unhook the battery. If you carefully cut the right edge of the the steering wheel horn pad and carefully pry it out a little, it will fix this issue and still be able to use the horn. It's another GM defect. I hope this helps! Let me know.

Mar 04, 2015 | 1995 Buick LeSabre

1 Answer

TOYOTA FORTUNER HORN INTERMITTENT PROBLEM WHY?


intermittent horn operation can normally be traced to the contact ring and pin at the steering wheel. It will be necessary to remove the wheel to get to the contact and ring.

Dec 03, 2014 | 2010 Toyota Fortuner 3.0D-4D

1 Answer

Horn goes off spontaneously, had to take fuse out to stop it, ford fairmont 2000


The contact points in the horn button get dirty or stuck sometimes may cause that or check the horns connections under the hood:)

Feb 01, 2013 | Ford Fairmont Cars & Trucks

1 Answer

Horn just goes on its not the alarm so took horn use out


  • The horn relay contacts are welded or the armature is stuck on. Replace the horn relay.
  • The horn switch on the steering wheel is stuck on (this is generally rare, but not a do-it-yourself repair because of the risk of exploding the air bag if you don't know how to safe it).
  • The horn switch wiring insulation has been cut and there is a short. This would probably be intermittent.
  • If you have a factory alarm, there may be a solid-state switch that takes its input from both the driver's horn switch and the alarm module. This switch could be shorted - it's probably a simple transistor, but may be mounted on the alarm module board. If so, disabling the alarm would not stop the horn unless the module is physically unplugged.

Jun 16, 2011 | 1997 Lincoln Town Car

1 Answer

Intermittently, an interior "alarm" goes off on my 2004 ford freestar and stays on for longer than 30 minutes no matter what we do. how do we turn it off? this is not the anti-theft alarm. this is a solid...


this is in fact, part of your factory alarm... called PATS (passive anti theft system)

The actual "horn" should be coming from the rear right side of the cabin or behind the dash

This horn is built into the "computer" and there is little you can do at this point other than going to the dealer.

The dealer should be able to reprogram the modules in question to eliminate the "horn"


Mar 18, 2010 | Ford Freestar Cars & Trucks

2 Answers

My Mitsubishi Montero, 2003 horn is going off in the middle of the night. I beat on the horn pad serveral times until it stops, then in a couple of hours it goes off again and the police show up. Is it...


Is the alarm causing the horn to honk? If so, you need to figure out what is causing the alarm to trigger, which could be any number of things.
Or, the panic module could be failing.
It is least likely to be the horn ring unless the only way you can get the horn to stop is by "beating the horn button on the steering wheel".

If it is, then you can replace the parts for the horn button, but you will need to get an assembly manual for the vehicle. Be sure to disconnect the battery before attempting to remove the airbag module. If it goes off, then you risk injury, and, they are not cheap to replace.

Dec 16, 2009 | 1999 Mitsubishi Montero Sport

1 Answer

Horn works intermittently


I would think this would be caused bu a defective rorating contact under the sterering wheel, 99% of time that is the problem.

Feb 25, 2009 | 2001 Dodge Caravan

1 Answer

My Hyundai Elantra's horn only works intermittantly


sounds like the contacts are bad in the horn switch.

Feb 24, 2009 | Hyundai Motor 2003 Elantra

1 Answer

HELPPPP!


There is a TSB on this issue the horn pad needs to be replaced. See Bulletin below.


Bulletin Number: 93-3-9
Reference Number: 333202
Publish Date: 5/93

Subject:
INTERMITTENT HORN BLOWING WHEN CAR IS COLD (REPLACE CONTACT ASSEMBLY/VINYL PAD)

Models Affected:
1989-93 SUNBIRD AND 1992-93 GRAND AM MODELS

CONDITION
Some owners of 1989-93 Sunbird vehicles and 1992-93 Grand Am vehicles may experience intermittent horn blowing when car is cold.
CAUSE:
This condition may be caused by excessive shrinkage of the contact assembly components when cold. This forces the horn pad contact plates together which activates the horn.

Nov 19, 2008 | 1992 Pontiac Sunbird

1 Answer

2004 Lincoln Town Car


Hi,

As in most electrical problems, it would be required to do a bit of tracing/diagnosis to determine which is at fault. Most automotive horn system works on the same basic design. A switch in the steering wheel that energizes the horn relay that in turn powers the horn(s). A self activating horn could be caused by:
1: intermittent short in the steering wheel horn button;
2. intermittent shorting out horn relay;
3. intermittent short in the wiring.

Basing on the above possibilities, diagnostic/corrective action would involve:
a. tapping on the steering wheel (not the horn button) to see if jarring it would activate the horn, if yes then the problem is with the horn switch and often cleaning the inside/contact points of the switch should be corrective;
b. tapping the horn relay with the handle of a screwdriver to determine if jarring it would activate the horn, if yes then the problem is with the horn relay which of course would need replacement;
c. the wiring would be a bit more complicated if not time consuming. It would be necessary to wiggle the wires coming from the steering wheel/column to the main harness, to the fuse/relay bank finally to the horn to check at which point the trouble would resurface. Taping any exposed/bare/scraped wire would be corrective. It should be noted that the steering horn switch often would be "to ground" meaning the horn switch is switching the horn relay by providing the negative path, the relay is constantly supplied with B+12.

There are some instances that the horn could also activated by an alarm system.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 02, 2008 | 2004 Lincoln Town Car

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