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Low Voltage @ Idle with A/C on

This is a discussion on Low Voltage @ Idle with A/C on within the General Help forums, part of the LSx Technical Help Section category; Originally Posted by Blue28 IMO, that's to low. Did you have it tuned to have the idle that low or ...

  1. #21
    Junior Member CobraKilla's Avatar
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    Quote Originally Posted by Blue28 View Post
    IMO, that's to low.
    Did you have it tuned to have the idle that low or did you use a hand programmer?

    I would have the idle bumped up to around 650-700rpm, I run mine at 850rpm with the AC on, and 800rpm with the AC off.
    I was messing around with it and my volts stay fine at a idle in Park with my AC on. But as soon as I put my foot on the brake to put it in gear the volts drop like crazy and if I sit there with it in gear and my foot on the break my volts continue to drop into the red. ????? WTF ?
    Last edited by CobraKilla; 08-20-2009 at 07:43 PM.

  2. #22
    Single Malt rbob93's Avatar
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    My rpm's are at 500 with the ac on & with the car in gear & foot on the brake.
    Alternator may be getting week.

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