Thread: horn blowing on its own.

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  1. #1 horn blowing on its own. 
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    My 2002 GP years ago, one time the horn blew for about 2-3 sec, for no reason while I was driving it That was like in 2005 !!! Car was 3 years old. Never did it again.

    Just recently it happened in 2024? While I was driving it, the horn sounded for about 2-3 sec.

    Tonight, in front of my house . . . it did it just sitting there?

    no lights come on, just the horn blows, again about 2-3 sec.

    Where are the actual horns located, I guess behind the front grill, are they easy to get to? Where is the horn relay located, is it easy to get too . . . any ideas on what might be causing this? How to troubleshoot it?

    Until I fix it, what is the best way to "disconnect the horn" when I park it overnight, just disconnect battery?
    Last edited by alok; 17 Hours Ago at 08:20 PM.
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  2. #2 Re: horn blowing on its own. 
    GrandPrix Junkie
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    Pull the underhood fuse. Should be #36.

    2002 Pontiac Grand Prix fuse box diagram - StartMyCar
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  3. #3 Re: horn blowing on its own. 
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    Quote Originally Posted by alok View Post
    Where are the actual horns located, I guess behind the front grill, are they easy to get to? Where is the horn relay located, is it easy to get too
    this is the diagram for the horns for 97-03

    they have horn Connectors on both passenger and driver side my car only has passenger side hooked up

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