Quote:
Originally Posted by Tech II
I remember this happening on Grand Am's, not RM's....
Usually happened in the winter time.....when the vehicle got cold, the horn contacts, which were real close, would contract, and this would set the horn off......the contacts were all part of the air bag unit.....
Don't know if this is your problem or a guess.......but there is usually a connector from the airbag that goes into the cancelling cam for the horn......I would have that disconnected(naturally your horn contacts won't work now)......if the horn continues to go off, you know the airbag is NOT THE PROBLEM.....
I've seen crazy things happen....do you have keyless entry? Have heard of other people's remotes setting off the horn.....also, does the vehicle have something like Content Theft Deterrant? May have a shock sensor in the system, that is set too sensitive.....we had a Grand prix once out in our lot....there was a crack in the pavement under the car where it was parked....every time a heavily loaded tractor trailer went by the shop, the horn would go off....
As for rigging a seperate switch for the horn, can't do that in my state......everything has to work as designed......
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It was going off in the middle of the night,driving on the hwy when somebody pass,behind cop car,turning around in someone's driveway.You name it,there would be the horn honk.Finally it went off for half an hour maybe,the neighbors called the police and they came knocking on my door,looking all around the house,for suspicious activity.The horn was not blaring,had burned it self out by the time they arrived.And the neighbors just told them an alarm was sounding here,so I did not know what they were talking about,no alarms here.One shop told me,it would be a thousand dollars in man hours,to get into where the airbag deploys,then offer an alternative,to jerry rig it with extra switch,for 200.Theres probably a junk one out there with steering wheel in it and all it's connections,for the cheap.Unless airbags are salvage from them.