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Thread: alternator question

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    Default alternator question


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    What should a alternator output be on a 3tc?
    My car went flat the other day (left my lights on) so iv charged it and now the volt meter in the car is now only reading about 13v whilst driving and drops below 12v if i have my lights on and indicator on.
    Volt meter was on about 14v before the battery went flat
    Would my alt be on the way out?
    Any other ideas?

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    Senior Member all torque's Avatar
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    Could be a slightly lose belt.
    Quote Originally Posted by slydar View Post
    The real question is - if you can not even make an attempt to write a question in the manner in which someone is likely going to want to answer it... do you really think you're capable of doing an engine conversion?

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    Quote Originally Posted by all torque View Post
    Could be a slightly lose belt.
    Nope iv made sure of that

  • #4
    Senior Member all torque's Avatar
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    Dodgy connection/loose wire? Voltage regulator, perhaps?
    Quote Originally Posted by slydar View Post
    The real question is - if you can not even make an attempt to write a question in the manner in which someone is likely going to want to answer it... do you really think you're capable of doing an engine conversion?

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    yeah i was thinking the reg

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    Hey mate

    Get hold of a multimeter and check voltage at alternator Pos+ terminal
    and then at the Battery + terminal.
    Voltage at the alternator should be 13.8 > 14.5 volts,
    Max voltage difference between them shouldn't be more than .2 to .5 volts.

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