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Got a strange one! 94 850 na horn

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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volvo850black
Posts: 124
Joined: 19 February 2010
Year and Model: volvo 850 1994
Location: tennessee

Got a strange one! 94 850 na horn

Post by volvo850black »

I chaged fuel pump and filter today now the horn won't stop honking. When I put the key in the on position after putting the negative battery cable back on it just goes hooooonnnnnnkkkk. I had to pull the fuse to the horn. Does any one have any idea of the problem? Runs fine though. My wife and kids thought it was hilarious. The neighbors not so much :-)
MattC 94 854 NA and 96 855 turbo

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erikv11
Posts: 11800
Joined: 25 July 2009
Year and Model: 850, V70, S60R, XC70
Location: Iowa
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Post by erikv11 »

This is a fairly common failure item on an 850. Check the repair database.
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6 :shock: 153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k

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