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2008 Elantra system upgrade.
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<blockquote data-quote="MarkJohnson" data-source="post: 8412458" data-attributes="member: 666775"><p>I'm having an issue with my electrical in my car. Lately my battery can't seem to stay charged. When idling it gets so low it causes my fan to go very low and on a couple of occasions caused my stereo to shut off like it's not getting enough power.</p><p></p><p>Yesterday when I started my car it barely turned over, but started. I didn't leave any lights on and my truck did open from my remote as what usually happens.</p><p></p><p>Anyway, I checked my batter when with my car off and it registers 12.75 and 14.20 when running. It seems fine but it just drops low when driving after it's warmed up. I usually always have my lights on and lately my air conditioner on high as we're having a heat wave and this may be sending power consumption over the top or stressing the engine at idle?</p><p></p><p>It is possible my stereo is pulling too much power? My amplifier is set to 4 ohms for my sub and pulls up to 40o0 watts. My 4 speakers are pulling around 300 watts. that around 700 watts rms. I don't think it's that high most of the time as I have maybe half volume at most.</p><p></p><p>How can I tell if it's my alternator, battery or maybe a short? Maybe just old engine needs tuned so it will idle a little higher?</p><p></p><p>Thanks for any help</p><p></p><p>-=Mark=-</p><p></p><p>PS, I got my B2 Audio sub today and my box is starting assembly today and should be done soon.</p></blockquote><p></p>
[QUOTE="MarkJohnson, post: 8412458, member: 666775"] I'm having an issue with my electrical in my car. Lately my battery can't seem to stay charged. When idling it gets so low it causes my fan to go very low and on a couple of occasions caused my stereo to shut off like it's not getting enough power. Yesterday when I started my car it barely turned over, but started. I didn't leave any lights on and my truck did open from my remote as what usually happens. Anyway, I checked my batter when with my car off and it registers 12.75 and 14.20 when running. It seems fine but it just drops low when driving after it's warmed up. I usually always have my lights on and lately my air conditioner on high as we're having a heat wave and this may be sending power consumption over the top or stressing the engine at idle? It is possible my stereo is pulling too much power? My amplifier is set to 4 ohms for my sub and pulls up to 40o0 watts. My 4 speakers are pulling around 300 watts. that around 700 watts rms. I don't think it's that high most of the time as I have maybe half volume at most. How can I tell if it's my alternator, battery or maybe a short? Maybe just old engine needs tuned so it will idle a little higher? Thanks for any help -=Mark=- PS, I got my B2 Audio sub today and my box is starting assembly today and should be done soon. [/QUOTE]
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