456GT alarm siren connector | FerrariChat
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456GT alarm siren connector

Discussion in '456/550/575' started by cwwhk, Nov 23, 2016.

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  1. cwwhk

    cwwhk Formula 3

    Nov 13, 2003
    1,535
    Hong Kong, Tokyo
    Full Name:
    Wayne
    #1 cwwhk, Nov 23, 2016
    Last edited by a moderator: Sep 7, 2017
    OK so my 98 456GT has the old solution alarm siren and I can't quite figure out how to unplug it. There is a tab on the plug, I tried pressing, pushing, pulling on the tab but nothing will allow me to disconnect the connector from wiring loom. Feeling quite stupid now but does anyone know how to release the tab lock of the connector?

    By the way if you also have the old style siren as I do, then you'll need adaptor cable #180072 to plug into the new version of the siren. I need the replacement as the old siren does not chirp when arm/disarm and has the dreaded red LED.
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  2. cwwhk

    cwwhk Formula 3

    Nov 13, 2003
    1,535
    Hong Kong, Tokyo
    Full Name:
    Wayne
    #2 cwwhk, Nov 28, 2016
    Last edited by a moderator: Sep 7, 2017
  3. cwwhk

    cwwhk Formula 3

    Nov 13, 2003
    1,535
    Hong Kong, Tokyo
    Full Name:
    Wayne
    #3 cwwhk, Nov 28, 2016
    Last edited by a moderator: Sep 7, 2017
    Here is a photo of the old style alarm with cast aluminum housing versus the new style alarm with plastic housing.

    BTW I bought the GM Corvette siren for just $49 off eBay and the Ferrari OEM adaptor cable for GBP71 from UK. Corvette siren works perfectly with one chirp to arm and two chirps to disarm. And no more red LED on the dash.
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  4. ///Mink

    ///Mink Formula Junior
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    Sep 5, 2006
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    Tom Mink
    #4 ///Mink, Nov 28, 2016
    Does the Corvette siren sound when the alarm is tripped?
     
  5. cwwhk

    cwwhk Formula 3

    Nov 13, 2003
    1,535
    Hong Kong, Tokyo
    Full Name:
    Wayne
    #5 cwwhk, Nov 28, 2016
    Yes it does.
     
  6. ///Mink

    ///Mink Formula Junior
    Silver Subscribed

    Sep 5, 2006
    820
    Fair Oaks, CA
    Full Name:
    Tom Mink
    #6 ///Mink, Nov 28, 2016
    Interesting, another data point. Several have posted that it will chirp and extinguish the LED but not sound when tripped. I want to say that was on a 575 but I'm not sure.
     
  7. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,164
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    Terry H Phillips
    #7 tazandjan, Nov 28, 2016
  8. timtalbert17@gmail.com

    [email protected] Rookie

    Jan 8, 2015
    7
    #8 [email protected], Dec 6, 2016
    Awesome patina on that work bench!
     
  9. cwwhk

    cwwhk Formula 3

    Nov 13, 2003
    1,535
    Hong Kong, Tokyo
    Full Name:
    Wayne
    #9 cwwhk, Dec 6, 2016
    Thanks for the compliment but it's just plain 304 stainless. :D
     
  10. cwwhk

    cwwhk Formula 3

    Nov 13, 2003
    1,535
    Hong Kong, Tokyo
    Full Name:
    Wayne
    #10 cwwhk, Dec 6, 2016
  11. cwwhk

    cwwhk Formula 3

    Nov 13, 2003
    1,535
    Hong Kong, Tokyo
    Full Name:
    Wayne
    #11 cwwhk, Dec 6, 2016
    Not entirely sure if it's purely the siren that causes this symptom. I suspect it may be related to the state of the alarm when the siren is connected to the system.

    Seem to recall when I replaced the siren on 360 or 550 with new Ferrari OEM part, it didn't quite synchronise with the alarm at first. Had to plug and unplug the siren a couple of times and used the key fob to get it to work properly. Don't think I turned off the battery master switch at that time.

    This time with the Corvette siren I did turn off the master switch before connecting, maybe this has something to do with it as well.
     
  12. 456enthusiast

    456enthusiast Karting

    Jul 23, 2011
    98
    UK / Italy
    #12 456enthusiast, Nov 1, 2018
    Hi cwwhk, I'd need to access the siren module in my 456 , could you please tell me how did you reach it? Removed the front wheel ? Thanks
     

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