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Old 09-23-2008, 09:14 AM   #5
MasterKwan
Scooby Guru
 
Member#: 98961
Join Date: Oct 2005
Chapter/Region: MAIC
Location: NOVA
Vehicle:
2003 WRX
Black

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I was wondering if it was possible to put a resister on the sensor wire to fake the alternator into putting out higher voltage. There's a 10 amp fused line from the battery line to the alternator which looks like how it senses what the current voltage is. I imagine reducing the voltage in that line by 1 volt would make the alternator increase voltage by 1 volt. You'd have to measure the current through that line to pick a resister.

Is the STI one even better?

Manual says they should be putting out 14.1-14.8 volts and that the STI one's the same as any turbo car.
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