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Alternator for 2500 wat system.

 

New member
Username: 01gsxr

Post Number: 62
Registered: 01-2004
Ok I have 93 gmc typhoon and the stock alternator is rated at 105 amps. I was told that a 150 amp and 2 optima yellow top batt would be fine what do you people think. And what abought a 3 frad cap, they have to do something right?
 

New member
Username: Glasswolf

Post Number: 718
Registered: 12-2003
you were told incorrectly.

2500 watts of amplifiers will draw over 210A of current in addition to the current the SUV needs to run.
You'll need a 300A alternator.
your starter battery should be fine, but you can also add a battery isolator, and add the deep cycle yellow tops for the audio system as well for when the car isn't running.
forget the capacitor. it won't do anything useful.
 

New member
Username: 01gsxr

Post Number: 64
Registered: 01-2004
thanks wolf. I went to stinger.com but they only listed a 250 amp for there max power, unles they will make me a custom one? do you no of any other companyes.
 

New member
Username: Glasswolf

Post Number: 725
Registered: 12-2003
mralternator.com
alternatorparts.com
Ohio Generator
Wrangler Alternators
try local alternator and starter shops, too
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