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Okay, my alt is charging now, but only at higher rpms

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by PetaKane, Sep 15, 2002.

  1. PetaKane

    PetaKane 1/2 ton status

    Apr 17, 2002
    Likes Received:
    Oklahoma City OK
    After days of trouble, new battery, new alternator, kazillion butt-splices, my alternator is finally charging the battery. Only when problem is it's not charging at idle. Grr, I don't know why the hell it won't charge. Is there a catch when running these underdrive pulleys?

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