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348 alternator problem

Discussion in '348/355' started by sparta49, Aug 2, 2005.

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  1. sparta49

    sparta49 F1 Veteran
    Owner

    Mar 3, 2001
    7,804
    LA
    Full Name:
    Frank
    #1 sparta49, Aug 2, 2005
    The alternator in my 91 348 tb has a bad voltage regulator. The guy at the rebuilder is not sure what voltage regulator goes in it, he can't get any numbers off the regulator. It is a Nippon Denso 105amp
     
  2. ernie

    ernie Two Time F1 World Champ
    Lifetime Rossa Owner

    Nov 19, 2001
    22,614
    The Brickyard
    Full Name:
    The Bad Guy
    #2 ernie, Aug 2, 2005
    Yeah 105 sounds about right. Make sure that they use the heavy duty regulator or the battery light will come on.

    Here is a link for you
    http://www.exchange-starters-and-alternators.co.uk/

    Also try doing a search, there is loads of stuff in the archives about this.
     
  3. sparta49

    sparta49 F1 Veteran
    Owner

    Mar 3, 2001
    7,804
    LA
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    Frank
    #3 sparta49, Aug 2, 2005
    Ernie, the guy at the alternator shop doesn't know which voltage regulator to use, he can't get a number off of it.
     
  4. f355spider

    f355spider F1 World Champ
    Owner Rossa Subscribed

    May 29, 2001
    18,044
    USA
    #4 f355spider, Aug 2, 2005
    I would be seriously concerned about using a shop that cannot figure this out, though his usual sources. But have him call here:
    http://www.romaineelectric.com/ They fixed my buddy's ND alternator....they even gave him the choice of the factory voltage regulator or an aftermarket HD one.
     
  5. sparta49

    sparta49 F1 Veteran
    Owner

    Mar 3, 2001
    7,804
    LA
    Full Name:
    Frank
    #5 sparta49, Aug 2, 2005
    Dave, I think he is concerned about not putting the exact one back in because it is a Ferrari .
     
  6. dbcooper

    dbcooper Formula Junior

    Feb 7, 2005
    281
    Costa Mesa,Ca.
    Full Name:
    Tim Romero
    #6 dbcooper, Aug 3, 2005
    I had problems with a similar alternator that was rebuilt with substandard parts(chinese)The alt worked until the motor was really revved up.I didnt find the problem because I generally dont rev the piss out of customers cars.the customer had no such qualms and found the problem right away.had to use genuine nippon dippo parts.
     

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