06-26-2018, 07:03 AM
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#1
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Registered User
Join Date: Oct 2017
Location: WILMINGTON
Posts: 34
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horn sounding
help! my horn is going off while in garage several times. some one said pull the plug on the system alarm. I pulled the plug on that horn under the hood. I disconnected the negative battery cable first and now when I touch the negative cable back to hook it up the horn blows. I only have one horn connected.
I bought the 1997 Boxster about 6 months ago had to replace the one horn that was connected by two sets of wires twice. The horns would stop working.
last time I just used one set of the horn wires and left the others tied up and caped.
I even changed the clock spring! Still have the problem.
now I sit with the battery negative cable off wondering what to do next.
Has any of you had this problem.
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06-26-2018, 07:26 AM
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#2
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Multi-Boxer Driver
Join Date: Nov 2010
Location: Orange Park, FL
Posts: 1,422
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Have you changed the airbag retaining frame?
__________________
-Chris
2004 Porsche Boxster 2.7 (gone  )
2004 Porsche 911 C4S Cab
1991 Porsche 911 C2 Targa 3.6
2017 Subaru Outback 3.6R
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06-26-2018, 07:43 AM
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#3
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Registered User
Join Date: Oct 2017
Location: WILMINGTON
Posts: 34
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Quote:
Originally Posted by Deserion
Have you changed the airbag retaining frame?
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no ! does that go bad?
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06-26-2018, 08:37 AM
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#4
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Registered User
Join Date: May 2015
Location: Sydney, Australia
Posts: 335
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Yes, common problem!
The horn is activated by the metal frame behind the airbag being grounded, it's held off until pressed by 4 rubber grommets, and they can go bad and allow it to make contact when it shouldn't.
The first sign is it starts honking when you brake. My 97 did it to me soon after I bought it, sooo embarrassing, everyone thinks you're the dick in the Porsche honking at them at lights! You can hold it off for a bit by shoving a folded card in the top of the airbag, but sooner or later they go completely and your horn sounds all the time. Sounds like yours may be at stage 2 already, and maybe the grounding is causing them to blow?
You can repair it with a few dollars of rubber washers, or get a new one for not too much.
See:
https://www.renntech.org/forums/topic/1728-horn-problem/
https://www.youtube.com/watch?v=2WqhZaaXL2I
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06-26-2018, 10:08 AM
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#5
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Registered User
Join Date: Oct 2017
Location: WILMINGTON
Posts: 34
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thank you yes one of the four rubbers is bad loose! thanks again but worried there is something else. when no one is around car and it blows by itself in the garage . did that several times !
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06-26-2018, 10:12 AM
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#6
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Custom User Title Here
Join Date: Mar 2012
Location: Ft. Leonard Wood
Posts: 6,164
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As already stated, it's your airbag frame and this is a very common issue!
P.S. you seem very excited!
Last edited by particlewave; 06-26-2018 at 10:15 AM.
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06-26-2018, 10:12 AM
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#7
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Registered User
Join Date: Oct 2017
Location: WILMINGTON
Posts: 34
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Yes and the key laying in the seat! don't know if that has anything to do with it! so many switches and alarms !!
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06-26-2018, 11:00 AM
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#8
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Motorist & Coffee Drinker
Join Date: Jul 2014
Location: Oklahoma
Posts: 3,882
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Quote:
Originally Posted by mebeached
... worried there is something else. when no one is around car and it blows by itself in the garage . did that several times !
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Ah yes. Typical case of haunting. A new or repaired airbag frame will fix that as well if you rub a sliced onion on it before you install it. Ghosts hate the smell of onions.
__________________
I am not an attorney, mechanic, or member of the clergy. Following any advice given in my posts is done at your own peril.
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06-26-2018, 11:09 AM
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#9
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Registered User
Join Date: Nov 2006
Location: In the garage...
Posts: 1,731
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Quote:
Originally Posted by 78F350
Ah yes. Typical case of haunting. A new or repaired airbag frame will fix that as well if you rub a sliced onion on it before you install it. Ghosts hate the smell of onions.

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You sure? Was always taught you had to stash five cloves of crushed garlic into the headliner for ghosts.
__________________
"Cool Prius!" - Nobody
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06-26-2018, 11:45 AM
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#10
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Motorist & Coffee Drinker
Join Date: Jul 2014
Location: Oklahoma
Posts: 3,882
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Quote:
Originally Posted by Burg Boxster
You sure? Was always taught you had to stash five cloves of crushed garlic into the headliner for ghosts.
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I've read that the garlic/headliner method is more specific to James Dean and he prefers the older air-cooled cars.
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06-26-2018, 12:44 PM
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#11
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Registered User
Join Date: Oct 2017
Location: WILMINGTON
Posts: 34
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tried everything may as well !
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06-26-2018, 01:37 PM
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#12
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So Blessed!
Join Date: Nov 2016
Location: SE Georgia
Posts: 389
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If you watched this video and heard him test the horn, it sounded like his high tone horn was bad. Mine sounded the same way when it went out a while back. Replacing it is a job since you have to remove the front bumper. Maybe he don't care on just don't know how the horns are supposed to sound.
https://www.youtube.com/watch?v=2WqhZaaXL2I
__________________
Artic Silver Boxster S - Black Leather - Black Top - Convience Plus Package
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06-26-2018, 06:20 PM
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#13
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Registered User
Join Date: Sep 2008
Location: Florida
Posts: 2,497
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While waiting on parts, stuff a folded business card or two between the horn and the steering wheel. You can hide the card and it stops the honking.
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06-26-2018, 06:43 PM
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#14
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So Blessed!
Join Date: Nov 2016
Location: SE Georgia
Posts: 389
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Quote:
Originally Posted by dghii
While waiting on parts, stuff a folded business card or two between the horn and the steering wheel. You can hide the card and it stops the honking.
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You learned that too!
__________________
Artic Silver Boxster S - Black Leather - Black Top - Convience Plus Package
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06-26-2018, 08:35 PM
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#15
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Registered User
Join Date: Nov 2013
Location: Colorado
Posts: 442
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the rubber bushings on your horn centerpiece are stretched and you might get away with adding some small "O" ring gaskets to space it out so it doesn't apply the horn on you as temperatures change.
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06-27-2018, 04:09 AM
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#16
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Registered User
Join Date: Feb 2013
Location: Cranston RI
Posts: 902
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I was going to replace the rubber o rings but went with replacing the steering wheel with a later 3 spoke.
__________________
99 Porsche Boxster
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06-27-2018, 04:18 AM
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#17
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Registered User
Join Date: Apr 2016
Location: SE Michigan
Posts: 496
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Had the same issue when I picked up my car 2 years ago, used 1-in long silicone vacuum hose under the horn pad/ airbag unit along the upper steering housing as spring/ cushioning, it did the trick!
__________________
1997 Boxster arctic silver/ red, XNE riveted mahogany/ leather steering wheel & 917-style wood shift knob, Ben’s short shifter, PSE, 996 TB, UDP, stereo/ center console delete, hardtop and speedster humps, daily driver rain or shine or snow!
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06-27-2018, 05:19 AM
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#18
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Registered User
Join Date: Oct 2017
Location: WILMINGTON
Posts: 34
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Hello my friends I went with the silicone on all four top and bottoms added a thin rubber washer under the bottom and it is working fine. It works fine you just need to push it a little harder ,that is good the old way beeped just touching it!
Thanks again for all the advise !
Mebeached
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