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Battery Light

Discussion in 'Terminator Talk' started by jjoy211, Apr 1, 2008.

  1. jjoy211

    jjoy211 New Member Established Member

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    Big Spring, Tx
    When driving my 03 only during boost my battery light comes on. As soon as let out it goes off. Any help would be great.

    I also had an exhaust leak fixed today and it started after I picked it up.

    Thanks
    Jeremy
     
  2. Sonic03inSC

    Sonic03inSC New Member Established Member

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    Get the alternator checked asap.
    I have gone through 4 of them.
     
  3. jjoy211

    jjoy211 New Member Established Member

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    I had my alternator checked and it was good. Could it be belt slippage? It only does it at full boost.

    Thanks
    Jeremy
     
  4. SVT Lurch

    SVT Lurch Good times Established Member

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    A couple guys I know were over spinning the alternator with their pulley combo, which ones do you have?
     
  5. jjoy211

    jjoy211 New Member Established Member

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    I have a 2.95 Upper, 2LB Lower, Billet Pulleys(don't know the size
     
  6. MaximumVelocity

    MaximumVelocity Mod motor convert Established Member

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    +1 on overspinning the alternator. Put a bigger pulley on it.
     
  7. Screamin Cobra

    Screamin Cobra Slam'd Cam'd Z06 Established Member

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    Honestly, I went thru the same situation and it was my alternator. I've been thru a few alternators myself and they said they were good when they were not! If I were you, I would buy a 3.2'' alternator pulley as well as replacing the alternator unit itself before you get stuck on the side of the road!
     
  8. Goodlife

    Goodlife New Member Established Member

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    What exactly did they do to repair the exhaust leak? Was it anywhere near the exhaust manifolds on pass side of engine?
    Rob
     
  9. jjoy211

    jjoy211 New Member Established Member

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    I have the 3.2 Alternator pulley. The exhaust was on the driver side.
     
  10. Sniperdog

    Sniperdog Less than Premium Member Established Member

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    +2
     
  11. Screamin Cobra

    Screamin Cobra Slam'd Cam'd Z06 Established Member

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    Alternator has to be failing because those are the symptoms of it. At least thru out my experience.
     
  12. MaximumVelocity

    MaximumVelocity Mod motor convert Established Member

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    If the exhaust leak was on the driver's side, ask if they disconnected the battery before doing any work. They may have shorted a wrench against the live terminal on the alternator which is right there. That can take out the sensitive regulator and diodes in the alternator.

    Replace the alternator if it looks like voltage is still dropping with the right size pulley.
     

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