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Alam light stays on

Discussion in '456/550/575' started by dersark_painclinic, Aug 26, 2018.

  1. Must see the interview we did with Piero Ferrari in Maranello! https://www.ferrarichat.com/forum/news/297
  1. dersark_painclinic

    dersark_painclinic Formula Junior
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    Mar 8, 2005
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    Lazik Der Sarkissian
    Now days I don't drive my car very much and I have it on battery tender to keep the battery charged. Today after starting the car I noticed the red alarm light came on and stayed on. I waited to see if it will go away but not. I drove around with red light on. I also thought if I open the door while engine is running and the red ligh is solid red the alarm will go off but even that did not happened. I am not electrically oriented much. Any recommendations and help welcome.
     
  2. F456M

    F456M Formula 3

    Jan 8, 2010
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    You need to replace your alarm siren. The light is on to show you that the back-up battery inside the siren does not work like it should. There is a small charger for that battery inside the siren unit. But the battery tend to leak acid onto the green print plate, so the charger does not work properly. I would get a new original siren so you still have the original beep sound when you arm/disarm and when the alarm goes off. Cost about 2-300 dollars.
     
  3. dersark_painclinic

    dersark_painclinic Formula Junior
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    Lazik Der Sarkissian
    Thanks for advise, there is a Corvette alarm which suppose to work well except the sound of beep for much less money , I do not care for the quality of sound , thank you again.
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  4. fatbillybob

    fatbillybob F1 World Champ
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    Aug 10, 2002
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    You can cut open the oem siren and replace the battery if the old battery did not leak acid that eats the circuit board.

    Personally, I let the light be red. The imobilo and flashing lights still work. The siren will just not work as designed. In my car I hate the siren so I have mine disconnected.
     
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  5. Konadog06

    Konadog06 Formula Junior
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    Aug 22, 2007
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    Just to be clear, the Corvette alarm on the Maranello chirps when you arm and disarm and the lights flash. However if the alarm has been set off, there is no siren noise, just the lights will flash.
    On a Corvette the same alarm when set off does sound. Have not yet read why it doesn’t work the same on a Ferrari.
    It does kill the dash light.
    Bill
    FL
     
  6. fatbillybob

    fatbillybob F1 World Champ
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    Aug 10, 2002
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    Interesting Bill. There is supposed to be a vette siren that is plug and play or change the connector and play??? It is supposed to be from a 97-04' vette? AKA...seriesC5. I race the Z06 version of the C5 but mine never had an alarm. I think they wanted the Z06 to be as light as possible hence the lame interior and flimsy seats but the Z06 with carbon fiber hood was around 3100lbs. Pretty darn good for its day.
     
  7. Konadog06

    Konadog06 Formula Junior
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    Aug 22, 2007
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    FBB, the Corvette alarm I'm familiar with is from the C6. Installed one in the 575 in either 2011 or '12 and still functions normally with exception notated above. It was plug and play. Priced currently online at $71.51. Believe the current GM part number of 15213135 might be a superseded part number to the one I installed.
    Current part number shows to fit 2005-13 Vette, and 2010 to 2015 Cadillac CTS. Did a brief search for a C5 alarm and did not find a current listing.
    Have had a C6Z since 2006 and still love the car. They started at a listed weight of 3132 and gained weight every year after that. Some owners complained they wanted more luxuries and they eventually got them.
    Bill
    FL
     
  8. dersark_painclinic

    dersark_painclinic Formula Junior
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    Mar 8, 2005
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    FBB, I will open the box to see what kind of rechargeable battery it takes, Fry's electronics may have it.
    Thanks
     
  9. dersark_painclinic

    dersark_painclinic Formula Junior
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    Well, I cut through and split in two, it looks as good as I can tell inside the unit, both battries appears in good shape.
    I checked the voltage of each battery and both are 4 volt which is fully charged. Any other possibility besides these battries.
    The battries are avilable through the same company but I hate to distract the electronic board with two healthy battery in place. Thanks
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  10. root

    root Karting

    Nov 28, 2012
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    Riad Kairalla
    Just replaced my dead siren with a Corvette siren GM part number 15213135 ($86 delivered). No need to modify the connection. It beeped once immediately after connection even with the main battery switch turned off. It beeps 4 times when armed and twice when disarmed. It also beeped continuously when alarm is triggered while armed. More importantly, no more constant red light after ignition. Seems like it works exactly like the original siren. While the headlight was out, I replaced the headlight rubber gasket.

    New GM Siren
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    Original dead siren
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    While taking out the headlight, I damaged one of the little rubber U tubes connected to the right light housing. I could probably just glue it, but prefer to install a new one if available. Can't find it on Recambi Table 127. Any idea where I can find one of those?

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  11. Konadog06

    Konadog06 Formula Junior
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    Aug 22, 2007
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    Root good to hear that everything works with the Chevy alarm. Have heard over the years that different cars can have different results. I wonder in this case if it's a difference in the 550 vs 575... or just different results showing up randomly?

    Re the headlight vent hose. I'd be shocked if Ferrari sold that separately. Think you'd be better off contacting a Ferrari recycler and pleading with them to take one off a damaged headlight assembly. Suspect that piece is likely used on all types of Fcars. You may need to send a picture with that part highlighted. Ferrparts is where I'd start but there are several.
    Bill
    FL
     
  12. tazandjan

    tazandjan Two Time F1 World Champ
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    Jul 19, 2008
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    The alarm is wired around the battery cut-out switch, which is why you get noise even with the switch turned off.
     
  13. dersark_painclinic

    dersark_painclinic Formula Junior
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    Well, I glued back on and started working well as it should. Now I have a big scar on siron, but it is okay.
     
  14. 308 GTB

    308 GTB F1 Veteran
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    Atrophic or hypertrophic?
     
  15. dersark_painclinic

    dersark_painclinic Formula Junior
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    Hypertrophic, I used a glue gun and did not come out right, thinking of splitting again an use liquid epoxy glue.
     
  16. dersark_painclinic

    dersark_painclinic Formula Junior
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    Riad, I replaced one of my rear light caps once and still have the rubber tube, send me your mailing address.
    Sark
     
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  17. radlu

    radlu Karting

    Jun 6, 2005
    240
    Good fix!
     
  18. root

    root Karting

    Nov 28, 2012
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    Riad Kairalla
    Thanks Sark. Pm sent.
     
  19. ferraridriver

    ferraridriver F1 Rookie
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    Epoxy Structural Adhesive, J-B Weld 8265-S, 2 oz. Tube
     
  20. Canuck550

    Canuck550 Karting

    Sep 8, 2015
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    Ron A
    Just picked up a GM Siren, let see if she works....
    As I presently have the red light staring at me during my drive, although the alarm itself functions quite well.
    Thanks for all the assistance guys
     
  21. troyce

    troyce Karting
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    Jul 19, 2014
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    Troyce Walls
    I probably bought the wrong one, but the GM alarm I ordered for my 550 has a different harness connector arrangement.
    ~Troyce
     
  22. dersark_painclinic

    dersark_painclinic Formula Junior
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    Ron, Troyce. Would you post the GM part number you purchased.
    Thanks Dave, that is the one.
     
  23. troyce

    troyce Karting
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    [QUOTE="Troyce. Would you post the GM part number you purchased.[/QUOTE]

    I don't have that number at hand because it was so long ago when I got it, and now the part is installed - just not connected. I will try to find it.

    However - check this: https://www.amazon.com/VARTA-REPLACEMENT-BATTERY-55615303059-150MAH/dp/B078JFVLPN
    Check the image of my battery siren circuit board herein. The noted replacement from Amazon has a different solder-pin config, but that doesn't appear to be an issue as the batteries have a large +/- surface plane on either side. Some de-soldering/re-soldering involved, obviously.


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  24. Konadog06

    Konadog06 Formula Junior
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    Aug 22, 2007
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    Troyce the number that I used and Root posted that he had used plugged in just fine. GM 15213135. If that’s the number you ordered you might check your alarm with Root’s pic above of the GM alarm and see if numbers match.
    Ironically my GM alarm is timing out and in need of replacement just in the last few days.
    Also if I remember correctly it seems somewhere on these GM alarms there is a born on date. It might be worth noting before installation.
    Bill
    FL
     
  25. ferraridriver

    ferraridriver F1 Rookie
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