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battery light

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Old 05-24-2005, 07:32 AM
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ham
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Default battery light

I put a crank pulley on my EG hatch and now when I start the car the battery light is on until i snap the throttle. is this something im gonna have to live with?
Old 05-24-2005, 07:42 AM
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Default Re: battery light (ham)

is your alternator belt tight?
Old 05-24-2005, 07:44 AM
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Default Re: battery light (IHateJDM)

When you change pullies stuff spins slower, hence the system does not see the voltage it needs to corrrectly charge the battery at idle.

Old 05-24-2005, 07:47 AM
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Default Re: battery light (Djaric)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Djaric &raquo;</TD></TR><TR><TD CLASS="quote">When you change pullies stuff spins slower, hence the system does not see the voltage it needs to corrrectly charge the battery at idle.

</TD></TR></TABLE>

Are you saying that an aftermarket pully does not have the same diameter as the stock one?
Old 05-24-2005, 08:39 AM
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ham
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Default Re: battery light (IHateJDM)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IHateJDM &raquo;</TD></TR><TR><TD CLASS="quote">

Are you saying that an aftermarket pully does not have the same diameter as the stock one? </TD></TR></TABLE>

it is significantly smaller. since the pulley is smaller the alternator isnt spinning as fast at idle. stupid battery light.
Old 05-24-2005, 09:26 AM
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Default Re: battery light (ham)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ham &raquo;</TD></TR><TR><TD CLASS="quote">

it is significantly smaller. since the pulley is smaller the alternator isnt spinning as fast at idle. stupid battery light. </TD></TR></TABLE>

i thought they were the same size, damn that sucks. do they make smaller pullies for the alternator?
Old 05-24-2005, 03:28 PM
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Default Re: battery light (IHateJDM)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IHateJDM &raquo;</TD></TR><TR><TD CLASS="quote">

i thought they were the same size, damn that sucks. do they make smaller pullies for the alternator?</TD></TR></TABLE>

its not that. the alternator pulley is the same size, the crank pulley is smaller.
Old 05-25-2005, 05:22 AM
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Default Re: battery light (ham)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ham &raquo;</TD></TR><TR><TD CLASS="quote">

its not that. the alternator pulley is the same size, the crank pulley is smaller.</TD></TR></TABLE>

I realize this, but if you could get a smaller alternator pully, it would offset the change in the crank pulley.
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