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Old 11-16-2012, 12:35 PM
my05crf280 my05crf280 is offline
Officially Welcomed to the 'Fest
Location: andreas pa
 
Join Date: Mar 2012
Posts: 113
Mein Auto: 2000 323i 5spd
for short term current draws like stereo equipment your alternator will never be able to be the sole supplier of the current needed. at least with higher end systems drawing 200+ amps. short term demands are definitely drawn from the battery and capacitors (if being used.) along with of corse the alternator. if you were to disconnect your battery your car will still run off just the alternator. turn up a stereo that truly draws 200+ amps and it will definitly shut off your car when the alternator cant keep up. but as stated. your charging system seems to be the issue and putting it off will put unnecessary demand on your battery.
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