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New Alternator, old wiring


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That's good. Now he won't have to feel bad for telling you wrong and you actually doing it, he just has to feel bad for telling you wrong.

nah

DD M4


Rockford Fosgate P500-4


SoundQubed HDC415 w carbon fiber cap


2 Rockford Fosagate T1675-S


XS Power D3400 Under Hood


XS Power D5100 in rear


Michael Singer 200A Alt


Build Log: http://www.stevemeadedesigns.com/board/topic/153901-2012-veloster-update-842013-wall-build-4-15s/

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probably too late now but i personally woulda put that bitch in and rolled it......the big three can be done later.  Especially if your only running one RF T2000.1 for your subs.


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probably too late now but i personally woulda put that bitch in and rolled it......the big three can be done later.  Especially if your only running one RF T2000.1 for your subs.

THANK YOU AND GOOD NIGHT!!!!!!!!!!!!!!!!!

DD M4


Rockford Fosgate P500-4


SoundQubed HDC415 w carbon fiber cap


2 Rockford Fosagate T1675-S


XS Power D3400 Under Hood


XS Power D5100 in rear


Michael Singer 200A Alt


Build Log: http://www.stevemeadedesigns.com/board/topic/153901-2012-veloster-update-842013-wall-build-4-15s/

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Good news, i put it in! Bad news, voltage is droppin even lower! It took me almost 3 hours to do it cuz it started gettin dark and it was hard for me to get to. first problem was gettin the old one out. second was the wheel on the new alternator. it was smaller than the original so my belt was lose when i installed it. Then i had tha guy at advanced auto parts switch tha old wheel to tha new one. Ok.. got it hooked up, turned on tha car 14.5v! hooked my amp back up(not turned up, jus connected) turned my lights on and...13.3v...12.7v...11.2v. Disconnected tha amp again and it still dropped.On tha way home i got stopped at a light and it got down to 9.8v! :^ as long as im on tha gas at about 1600rpm and above i get 14.1v-14.5v but as soon as i let off it jus continues to drop! i think it might have somethin to do wit me switchin tha wheels but if its somethin else, please let me know!

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I also think it has something to do with switching the wheel. The wheel is small for a reason...

a smaller wheel will spin faster than its larger counterpart at any given engine RPM.

So you pretty much dropped the alternator's effective idling RPM by making the wheel bigger.

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yep you are correct with your assessment.  the pulley that comes with the new alt is supposed to be used.  you are only slowing the alt down going back to the old pulley.  less rpm's at idle means you need to rev higher to get the proper output of the alt.

put the pulley back on and tighten you tensioner or get a smaller belt.  hopefully that helps ya.

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