Question about 1998 Buick LeSabre

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1998 Lasabre horn sounding

Hi everyone my 1998 lasabre's horn keeps sounding from time to time, only way i can stop the sound is pull the relay? Any help?

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  • lalohmann Jul 23, 2008

    I live in Oklahoma. This summer my horn (98 LeSabre) also honks, sometimes without my touching it, sometimes when I touch the steering wheel. Where is the horn located (under the hood)? I'm ready to pull a wire. This is annoying!

  • Torri Myers May 27, 2014

    hate it when it does that. if u get tired of dealing with it or like me and get stuck on the far end of town withthe horn blasting pop the hood theres two horns each side with a plug u can pull out.

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Oh my GOSH, we are having the same horn problem with our 1995 LeSabre, only it does it when it's cold, hot, or indifferent! I JUST got back inside the house at 4:30am from going out and hitting the darned thing to make it turn off. Grrrrr! If anyone can tell me how to disconnect the stupid thing, I SURE would appreciate it. (I might mention that I'm a girl, who knows very little about cars...)

Posted on Oct 29, 2008

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Hello,

I have a question regarding a 1998 Buick Le Sabre Ltd. It appears that when it's hot outside the horn sounds and doesn't turn off until we bang on the steering wheel to unstick what's seemingly stuck. Without making this a major ordeal, can't I just pull the fuse to the horn? If so, which fuse is it that I need to pull? The owner's manual isn't very clear, I'm a bit lost.
I live in FL and of course it's wicked hot in the summer here, the horn goes off all of the time lately. It's a royal pain! One of these days I'm not going to be within ear shot to the car, I don't want to be a pain to my neighboprs, etc. We already tell friends that the car's possessed.
I'd appreciate any info for this quick fix.
The car runs fine, aside from the horn.

Sincerely,
Rob Heath
St. Cloud, FL

Posted on Jul 20, 2008

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I solved this issue on my 95 Riviera, I'll bet all GM vehicles with this type horn switch will eventually have the same problem. It's what the other guy said, too much tension on the vinyl cover. I looked up the patent info and found they changed the design of the horn switch to use a membrane between the air bag and the vinyl cover. On mine the switch became super sensitive first, then it eventually stayed closed (horn on all the time). If you are blowing the 20 amp fuse remove both horns and use a meter to read ohms (should be 1.2 ohms if .4 it is shorted). The horn switch is not a "serviceable part" but if you have the same issue as me you can fix it. First make sure it's the horn switch causing the problem. Remove the airbag from the steering wheel, pay attention to the warnings and do what GM says to disconnect the SIR system (small yellow connector under steering column.) Put electrical tape over the SIR connector off the module so you don't make a mistake probing it with a meter. You can easily check the horn switch now with your meter (it's the small red/blk connector harness terminating to a two conductor ribbon type cable. See if its shorted. Remove any torx bits and any switches. You need to drill out the eight outer rivets that clamp the vinyl cover (do not remove the inner rivet for the module. just drill enough to pop the head off, you can use a sharp small chisel when you are close. Use duct tape to keep metal shavings out of the bag area. A dremel can help in this job. Use needle nose pliers or I used large gas pliers with a nut as a spacer under the flared remainder of the rivet, and pressed out the rest. You might have to dress up the exposed cut rivet so it fits thru the hole (i used dremel). Just get the rivets out. Place the module in a safe place. You need to remove the vinyl cover and grind down the high spots of the molded grid on the inside (I used dremel tool). Try to make it as even as possible and don't go crazy. Put it back together without the module just the hard plastic backing/membrane switch portion and use your meter on the horn harness to make sure enough material has been removed. Basically you are taking off a tiny amount of 1/32" or even less all over. You will have to press harder now to activate the horn so don't remove too much material. Reassemble using 1/8" dia x 1/2" long steel rivets when you are sure your done. This is not a difficult job, and it beats buying a new $700 or more airbag to fix a lousy horn. If you are intimidated by the module staring at your face the whole time you might want to drink a beer first to relax before starting. If that thing goes off it will shoot that steel plate in your head so be careful and do not probe that yellow connector with your volt meter. Otherwise you should be safe!

Posted on Feb 21, 2009

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My horn does the same thing, very annoying.. however a quick fix until you can follow the directions others have listed is to disconnect the battery :) Thats what I do because i'm too lazy to fix it atm.

Posted on Jul 21, 2012

You could pull the fuse, but you wouldn't be able to pass the safety inspection without a working horn.

Posted on Aug 05, 2008

Hello
The problem is in the Horn switch located inside the steering wheel above the air bag. The plastic housing has shrunk and is pushing on the horn switch.

Remove airbag module from wheel, There are 4 torx or allen bolts.

Carefully drill out pop rivets, Carefully remove plastic skin.

Trim the bumps and protrusions from the back side to give horn switch more room. Replace pop rivets. Replace module.
Takes about 40 mins.
Roy

Posted on Aug 03, 2008

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