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348 central locking

Discussion in 'Technical Q&A' started by IanMac, Sep 13, 2007.

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  1. IanMac

    IanMac Formula 3

    Jul 26, 2006
    1,455
    Scotland
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    Ian
    #1 IanMac, Sep 13, 2007
    I have a problem with my '91 348 TB's central locking system. Using the key in the driver's door will lock both the driver's and passenger's doors (right hand drive car) but will unlock only the driver's door, not the passenger's. The key in the passenger's door will lock and unlock both doors. The key fob will lock and unlock both doors as normal. At the same time I'm getting some strange signals from the alarm system and my battery is draining.

    Could anyone who has had a similar experience, or has any idea what the problem might be, point me in the right direction?

    Thanks.
     
  2. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
    72,740
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    Mr. Sideways
    #2 No Doubt, Sep 13, 2007
    The problem is likely to be in your aftermarket alarm. My own opinion is that Italian electrics are too fragile to be burdened with such additional components.
     
  3. IanMac

    IanMac Formula 3

    Jul 26, 2006
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    #3 IanMac, Sep 15, 2007
    Thanks N.D. I've now been told that unlocking the driver's door with the key isn't supposed to unlock the passenger's door too, so it seems I don't have a central locking problem, just the alarm problem as you suggest!
     
  4. Luuk 348

    Luuk 348 Karting

    Nov 5, 2003
    118
    Holland
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    Luuk
    #4 Luuk 348, Sep 15, 2007
    I had a simular problem. solved it by cleaning the connector from the door into the car.

    goodluck..

    Luuk
     
  5. whyte

    whyte Formula Junior

    Apr 25, 2006
    409
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    John C
    #5 whyte, Sep 16, 2007
    They sometimes can't even be burdened with A/C, horns, ignition, or any other trivial stff. ;)

    For the recrod, my 348 has always unlocked both doors, with an aftermarket alarm and without.
     
  6. IanMac

    IanMac Formula 3

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    #6 IanMac, Sep 16, 2007
    John - I assume that is using the key in the door lock. If I use the key in the passenger's door (your driver's door) it does unlock both doors, but not if I use it in the driver's door (your passenger's door). If I use the button on the fob it unlocks both doors. I feel my brain beginning to hurt ;)
     
  7. whyte

    whyte Formula Junior

    Apr 25, 2006
    409
    Merritt Island, FL
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    John C
    #7 whyte, Sep 16, 2007
    Hmm, I've never actually unlocked the passenger side door with my key. I'll have to try it next time I'm out.

    Yes, the car is left hand (US spec) drive.
     
  8. Skipro

    Skipro Karting

    Aug 14, 2006
    57
    Que,Can//Naples,FL
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    Richard
    #8 Skipro, Sep 18, 2007
    Hi - My '92 348tb door locks both work fine. Key in either side unlocks both doors. But, I never realised that 348's came with a key fob (wireless) lock/unlock system. Do they? Ferrari dealership where I purchased the car simply gave me two sets of keys and never mentioned that the key fob (wireless) push button unit was missing. ...and dumb me, never asked! Thanks.
     
  9. davo

    davo Rookie

    Apr 28, 2007
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    grimsby lincolnshire
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    paul davidson
    #9 davo, Sep 18, 2007
    from experience my 348 tb suffered the same prob as all 348s and ferraris of them years are prone to corrosion around electrical connections this i will almost guarantee is the door loom plug.half turn i believe and pull and this plug should expose approx 10 pins clean and retry good luck davo
     
  10. IanMac

    IanMac Formula 3

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    #10 IanMac, Sep 18, 2007
    The fob probably came with the aftermarket alarm system rather than being original equipment, there certainly doesn't appear to be any mention of it in the manual.
     
  11. IanMac

    IanMac Formula 3

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    #11 IanMac, Sep 18, 2007
    Thanks Paul, I'll have a look at that.
     
  12. Skipro

    Skipro Karting

    Aug 14, 2006
    57
    Que,Can//Naples,FL
    Full Name:
    Richard
    #12 Skipro, Sep 24, 2007
    Thanks.
     

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