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Horn on 850 wgaon won't stop honking!

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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rosie
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Joined: 19 February 2003
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Horn on 850 wgaon won't stop honking!

Post by rosie »

Hello- I have a 1995 850 wagon. About a week ago I started the car and the horn began to honk. It won't stop unless I turn the car off or my husband disables the horn. Which is what we have done so that I can drive the car around town. I haven't been able to find anything in the manual about this.

Any thoughts on what is going on and how to fix it on our own? Thanks.

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matthew1
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Year and Model: 850 T5, 1997
Location: Denver, Colorado, US
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Post by matthew1 »

Are your lights flashing too? This would indicate that your alarm is activated. See owners' manual for alarm deactivation procedure, I don't know it off the top of my head but the one or two times I set it off I believe hitting the unlock button on my remote did the trick.
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1998 V70, no dash lights on

1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace

2004 V70 R [gone]

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Jagermonsta

Post by Jagermonsta »

failing that, the micro-switch in the horn might have died, a relay might have died, or it could be shorting somewhere :P
those are usually the common things on old australian cars (torana's) that would cause the problem...
i have a volvo too, but this problem hasn't happened to me :P

rosie
Posts: 3
Joined: 19 February 2003
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Location:

Post by rosie »

Thanks for your advice. The lights do not flash when the horn honks so it could be a short??? Ugh. We'll look into it further. Thanks again!

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matthew1
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Posts: 14482
Joined: 14 September 2002
Year and Model: 850 T5, 1997
Location: Denver, Colorado, US
Has thanked: 2656 times
Been thanked: 1248 times
Contact:

Post by matthew1 »

If the horn stays on continuously, it may be the contacts in the steering wheel have broken. See "Broken Horn Fix" on my Main page. If you fix it, be *very* careful with the airbag.
Help keep MVS on the web -> click sponsors' links here on MVS when you buy from them.

Also -> Amazon link
. Click that when you go to buy something on Amazon and MVS gets a cut!

1998 V70, no dash lights on

1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace

2004 V70 R [gone]

How to Thank someone for their post

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