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Old 30th October 2011, 06:04 PM   #11
AndrewT is offline AndrewT  Scotland
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Quote:
Originally Posted by Frank Berry View Post
Your light bulbs are dimming because they are not getting enough voltage.
no, the current demand is too high.
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Old 30th October 2011, 06:07 PM   #12
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... and that's why they are not getting enough voltage.
They are drawing more current than the system can supply. As a result, the voltage goes down.
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Old 30th October 2011, 06:11 PM   #13
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Quote:
Originally Posted by AndrewT View Post
no, the current demand is too high.
If that was the case, they why wouldn't the light bulbs blow when I hit like 4,000 rpm
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Old 30th October 2011, 06:23 PM   #14
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Because the voltage is regulated.
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Old 30th October 2011, 06:28 PM   #15
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Ah I see. That's the regulator, isn't it?
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Old 30th October 2011, 06:31 PM   #16
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You might want to visit this website. It explains the automotive charging system:
Automotive Charging Systems -* A Short Course on How They Work
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Old 30th October 2011, 06:34 PM   #17
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Thank you. Was too lazy to research it on google =D
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Old 30th October 2011, 06:37 PM   #18
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The only reason I bought this up was because my wiring goes from battery>starter>alternator and not battery>alternator...so I just wanted to make sure I wasn't having a problem with the wiring. Although if that was the case.. I'm screwed because there is no way to bypass it.
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Old 30th October 2011, 06:56 PM   #19
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Well I just looked at my volt meter again..it's now sitting at 15 volts now...That's bad, isn't it?
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Old 30th October 2011, 06:59 PM   #20
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15v is a bit too high. Are you sure that the meter is accurate?

Put a digital multimeter across the battery terminals to see the true voltage.
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