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Another Battery/Alternator question.
I've noticed recently that my battery gauge dips below 12 volts and sometimes even lower, while at a light or parked with the motor running.
Notes: (1)The battery is less than 2 months old. (2)I've only noticed it happening when the A/C is running and the stereo is turned up a smidge above TOO LOUD:D. (3)I have an after market stereo in the car which consists of.. an after market head unit, 2 Jbl stealth speakers (behind the seats) and an Amp in the trunk.:dancer01: So I'm wondering if I'm drawing to much power, and if so, can/should I upgrade the alternator? TIA.:thumbsup: ~Ray |
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You can try our overdrive alt pulley (billet Alum) and if that does not do it our 240Amp alt for C5 & C6 vettes is $499 & is a direct swap.:thumbsup:
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When I was having alternator problems, I did a lot of reading and seem to recall reading somewhere that it was not recommended to use a higher output alternator on the Corvette. Something about the PCM detecting an excessive current situation and getting upset about it or something. I believe the argument was that the PCM knew the max current the alternator SHOULD be able to provide, and anything over that amount was considered to be a fault condition.
So was that misinformation, or do I just remember it wrong? |
i would consider using a capacitor or an audio system battery. whats killing your alternator is the constant power spikes created by the amp when the bass hits hard. a capacitor is wired in between the power source and the amp. all the capacitor is, is a second battery that absorbs the power spike preserving your alternator.
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Thanks guys for the really good info!:thumbsup::thumbsup:
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Ray, I noticed something similar for first time yesterday. While at light, gauge indicated 13 volts where it normally used to show 14. Don't know if that is a problem or not. 2005 with 23K miles on it, stock radio & battery...???
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