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amps swnging at idle

This is a discussion on amps swnging at idle within the General Help forums, part of the LSx Technical Help Section category; At idle my battery amp meter swings +/- about 2 steady. Tensioner pulley is new, belt looks fine and not ...

  1. #1
    Junior Member
    Join Date
    Apr 2011
    Location
    Houston, TX
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    11

    Black
    1999 Trans Am

    amps swnging at idle

    At idle my battery amp meter swings +/- about 2 steady. Tensioner pulley is new, belt looks fine and not squeeling, not sure what problem is. I have had an instance where I went WOT and car seemed to lose electrical power and mechanical for about a second, but that was just once. The amp swing is everytime I start the car and remains wether car is cold or hot, amps are steady while driving/under load. Do I need a new part or maybe have an underdrive pulley installed already? I'm not 100% on what mods are installed on it.

  2. #2
    Member jsmith564`'s Avatar
    Join Date
    Apr 2009
    Location
    covington ga
    Age
    32
    Posts
    481

    yellow
    2004 gto

    post a pic of the crank pulley.

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