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Cadillac Catera and Cimarron Forum Discussion, Volt? in Past Cadillac Vehicle Discussion; Question; At night, when am driving, have my lights on, heater on, rear defroster on, and when I come to ...
  1. #1
    gvjv3 is offline Awaiting Email Confirmation
    Automobile(s): 97 forest Green catera
    Join Date
    May 2012



    At night, when am driving, have my lights on, heater on, rear defroster on, and when I come to a stop my volt meter drops to around 10 volts, just above the red line, my lights dim, but when I start driving it goes up to 11 to 12 volts, is this normal or should I look into a new alternator?

    Thank you

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  3. #2
    elvin315's Avatar
    elvin315 is offline Cadillac Owners Connoisseur
    Automobile(s): Platinum 2001 Cadillac Catera Sport
    Join Date
    Jan 2007
    Catskill, NY

    Re: Volt?

    I'd clean the electrical GROUNDS first.

  4. #3
    investor74 is offline Cadillac Owners Enthusiast
    Automobile(s): '97 Forest Green Catera
    Join Date
    Nov 2005

    Re: Volt?

    Also, check your battery especially if it is old. A battery that won't fully charge or that has a short can make an alternator work awfully hard to keep up the voltage.

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