456 battery light on at start up | FerrariChat
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456 battery light on at start up

Discussion in 'Technical Q&A' started by ferrari_456, May 12, 2012.

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  1. ferrari_456

    ferrari_456 Karting

    Jan 30, 2011
    75
    #1 ferrari_456, May 12, 2012
    I replaced my 456 with a new battery and alternator , when I start up my car, the battery light will come on then go away, everytime is like that. I am getting around 13.3 volts on start up. Could it be the alternator belt which I didn't change?
     
  2. PAP 348

    PAP 348 Ten Time F1 World Champ
    Lifetime Rossa Owner

    Dec 10, 2005
    100,232
    Mount Isa, Australia
    Full Name:
    Pap
    #2 PAP 348, May 12, 2012
    Hi mate, it could be a loose alternator belt that slips on start up causing the battery light to stay on then it goes out when the belt 'grips'.

    Re-check the tension on the belt man. I am assuming that it doesn't 'squeal' on start up, so it might be ok.

    Are you sure they ALL don't have the battery on then off on start up. I am not familiar with the charging system on the 456.

    Why did you replace the battery and alternator to begin with?? Because of this issue you are having now?
     

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