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  1. #1
    Join Date
    Jun 2018
    Location
    Pleasanton CA
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    how do i run wiring trough firewall?

    Hello everyone i recently purchased a train horn that requires me to run wiring through my firewall. Upon looking i dont see any open locations that i can use to get inside the car. In several of my cars that have been extra covered ports for aftermarket additions. Can someone please guide me on what i need to do or where i can find a port and run wiring?2018 SP



  2. #2
    Join Date
    Dec 2007
    Location
    Riverside, California
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    4,444
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    You can penetrate the large grommet that the hood latch cable runs through, on the driver side. It is below the brake booster.

    I've taped wires to a long Philips screwdriver blade and punctured the grommet. You can then get under the dash and pull the wires off the screwdriver and Into the cabin.

    Hope this helps.

    Bob

    Lux Technologies - LuX Technologies - Custom Interior Light Mods for Chrysler / Dodge / Jeep Platforms [LX/LC/WK]
    I spend my time modding your lights and developing new products, not being your FaceBook friend.

    http://www.luxte.ch
    Lux Technologies

    Likes SuperSound, Jay Z, Hemissary liked this post

  3. #3
    Join Date
    Sep 2016
    Posts
    870
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    Yeah, you pretty much just have to pick a factory opening that works best for you, and then either snake your wires through or enlarge the existing hole.
    --------------------------------------------------------------------------------------------
    Check out my full build at worldsfastesthemi.com

  4. #4
    Join Date
    Feb 2004
    Location
    CT
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    1,106
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    I also used the grommet below brake booster to run wires for my custom lights, wasn't too hard to do
    2006 Charger SRT8

  5. #5
    Join Date
    May 2018
    Location
    Houston, TX
    Posts
    63
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    train horn??? did you mean to buy a diesel truck?

  6. #6
    Join Date
    Sep 2016
    Posts
    870
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    Quote Originally Posted by gasman1620 View Post
    train horn??? did you mean to buy a diesel truck?
    Did you mean to resurrect a thread that nearly predates your joining???
    --------------------------------------------------------------------------------------------
    Check out my full build at worldsfastesthemi.com

  7. #7
    Join Date
    May 2018
    Location
    Houston, TX
    Posts
    63
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    you know it

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