Question about Buick Riviera

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The horn on my 1998 buick riviera keeps going off for no reason today how do I get this problem to stop how do I disconnect it

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6 Suggested Answers

6ya6ya

6ya staff

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Posted on Jan 02, 2017

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Anonymous

  • 2 Answers

SOURCE: 1998 Lasabre horn sounding

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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greg_margo

Greg Margossian

  • 1959 Answers

SOURCE: engine misses at 35 mph code po 304 coil pack plug wire replaced

Information courtesy of http://obd-codes.com

A code P0304 may mean that one or more of the following has happened:

  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor (s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer
Possible Solutions If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Hope this helps with your problem. Best of luck.
Greg

Posted on May 21, 2009

Anonymous

  • 18 Answers

SOURCE: 2005 Jeep Liberty Horn wont shut off

wiggle the horn on the colum if it stops then the spring on the horn pad has gone bad

Posted on Aug 08, 2009

Odis Pitts

  • 15 Answers

SOURCE: 1995 Buick Riviera SC: traction and the security light

traction switch is located next to drivers left knee on bottom of dash....you should be able to turn off the traction light there by just turning on the traction control.....the security light is telling you that there is a problem with your security system....could just need a new key with a new computer chip....make sure the key is clean and dry when using so it can read the chip....the security light comes on whenever your start the car and stays on for approximatley 2 minutes and then should go out....it is just a reminder....try this and see if it works....lock the door using the power switch on door.....close door and see if the security light comes on....watch and it should go out after about 2 minutes...if it does then your alarm is activated and working....to disarm you need to unlock the driver door with the key...anything else will set the alarm off and the lights will start flashing and the horn honking...after you set the alarm off you will always have to use the key to unlock the drivers door to turn off the alarm and reset the security system.

Posted on Aug 11, 2009

Bruce Hathcock

  • 3600 Answers

SOURCE: 1995 buick riviera horn button on airbag does not work

You can work on this safely after you remove the positive battey terminal and wait 5 minutes before working on the horn system. you remove the air bag first there are two security bolts that hold it on you will have to buy these at a parts store. Auto zone sells the Set of Lock out bolt wrenches for removing the bolt. you will also need a steering wheel puller to get to the ignition key cylinder holder that is where the contacts are located. But first I would remove the horn ground out the horn and apply power to the horn to see if it works. Normally it's the horn relay that goes bad.

Posted on Sep 22, 2009

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THIS COULD BE A FUSE ISSUE. CHECK ALL THE FUSES FIRST. I BELIEVE THAT THE HORN FUSE IS LOCATED UNDER THE HOOD. I HOPE THIS HELPS. PLEASE KEEP ME POSTED. THANKS FOR USING FIX-YA.

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