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Thread: horn doesnt work when its cold

  1. #26
    Jr Member paulabreu's Avatar
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    Default Re: horn doesnt work when its cold

    Quote Originally Posted by McGuyver_3 View Post
    Yes that click would likely be it. This means that you have probably a broken wire to the horn from the relay somewhere OR you could have a bad horn itself. I remember I installed one upside down on my car as it was more convenient that way and it ended up filling up with water lol. After turning it around and all the water out of it, it started working again. More then likely it will not be the ground for the horn itself as they ground themselves on the body. Are you any good with volt meters or accessing the horn? aka removing the front bumper?
    I could try but i dont have a garage, i would have to wait until warmer weather. I tried the dealership already but it worked for them ? lol, of course. Is there any good place I could take it to get it checked beside a dealership or Jimmy?

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    Default Re: horn doesnt work when its cold

    agreed... it sounds like a frozen relay
    early genwons had frozen relay issues below -30 which prevents the fuel pump from running, thus no start
    2005 Mazda3 SP23 hatchback (auto)
    2016 Mazda3 Sport GT (auto)

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    Default Re: horn doesnt work when its cold

    Your carís horn is a safety feature built into the car to help get others drivers attention if they start to get into your lane, or in other situations to warn people around you of your presence to prevent wrecks or injury.

    This is why it is important for you to have a functioning horn. Sometimes though your horn may stop working. Normally there are a few possible problems if this happens. Continue reading to learn what these problems are and also solutions for them
    https://www.autoguysland.com/car-horn-not-working/

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    Sr Member Flagrum_3's Avatar
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    Default Re: horn doesnt work when its cold

    Quote Originally Posted by paulabreu View Post
    I could try but i dont have a garage, i would have to wait until warmer weather. I tried the dealership already but it worked for them ? lol, of course. Is there any good place I could take it to get it checked beside a dealership or Jimmy?
    I've had this issue twice. If the horn is working intermittently it is most likely a connection issue, and most likely due to corrosion. Check the connections and replace them if corroded and then coat them with lithium grease or dielectric.


    _3

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