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-   -   Horn sound when turn off the ignition (https://themustangsource.com/forums/f637/horn-sound-when-turn-off-ignition-544447/)

svetlana92 8/9/17 05:52 PM

Horn sound when turn off the ignition
 
Hello, everyone!
Got another thing going on. :stirpot:
My car equipped with passive anti-theft system.
When I turn off the ignition, sometimes the horn sounds very quiet. Sometimes - really really loud, like I'm locking the car.
Any suggestions why this is happening? And is it possible to turn off this thing?
Thank you!!

Glenn 8/10/17 05:55 AM

possible low battery?

svetlana92 8/10/17 05:57 AM


Originally Posted by Glenn (Post 7018835)
possible low battery?


nope, battery is fine :unsure:

07 Boss 8/12/17 10:57 AM

Check your SJB for water intrusion or corrosion.

stang09 8/14/17 09:19 AM


Originally Posted by svetlana92 (Post 7018827)
Hello, everyone!
Got another thing going on. :stirpot:
My car equipped with passive anti-theft system.
When I turn off the ignition, sometimes the horn sounds very quiet. Sometimes - really really loud, like I'm locking the car.
Any suggestions why this is happening? And is it possible to turn off this thing?
Thank you!!

you got a short some where see if there are any fuses blown also check the ignition could be a bad switch


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