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<blockquote data-quote="edwards1337" data-source="post: 1603053" data-attributes="member: 361202">shoulda used 0/1g wire for your big three upgrade... lol and 120 amp alternator isnt a HO alternator, thats stock in most vehicles.. thats actually less amps than a stock alternator than most vehiclesyou should have gotten AT LEAST a 200amp alternator, maybe even more.. thats considered a high output alternatorget a REAL high output alternator and redo your big thee upgrade with 0/1g wire.also get an optima yellow top batteryand no, a capacitor will NOT helpheres why..A capacitor is only good so far as the audio system isn&#039;t trying to pull too much from the electrical system. A cap doesn&#039;t provide more power, it&#039;s designed to &#039;stiffen&#039; the voltage to the amp, nothing else. If the current isn&#039;t there, a cap won&#039;t help. The alternator must have at least 20% more amperage power than the entire vehicle and sound system combined for a cap to be of benefit which is ironically the same requirements for an amp to be efficient. A cap does it&#039;s best to keep the voltage at a certain level, but if the voltage changes so will the cap voltage. The cap just makes the change smoother. The diming light syndrome isn&#039;t a voltage issue but rather a current (amperage) drop. The voltage simply follows what the current does. A cap does not help this situation at all. A cap doesn&#039;t provide more power nor does it try to correct it.and i even have a capacitor and my lights STILL dim, with only a 400 rms watt system, my stock alternator is 115amps, i have 2 12&quot; mtx thunder 4500 subs with an alpine mrp-m450 amplifier. and my lights dimmed, i purchased a 2.0 farad cap.. did it fix my light dimming? lol nope, i can show you a vid of my lights still dimming if you dont belive me, oh and also i did my big three upgrade by using 1/0g wire.dont waste your money on a cap.___________________________________edit:what kind of amp/subs do you have?</blockquote>

[QUOTE="edwards1337, post: 1603053, member: 361202"] shoulda used 0/1g wire for your big three upgrade... lol and 120 amp alternator isnt a HO alternator, thats stock in most vehicles.. thats actually less amps than a stock alternator than most vehicles you should have gotten AT LEAST a 200amp alternator, maybe even more.. thats considered a high output alternator get a REAL high output alternator and redo your big thee upgrade with 0/1g wire. also get an optima yellow top battery and no, a capacitor will NOT help heres why.. A capacitor is only good so far as the audio system isn't trying to pull too much from the electrical system. A cap doesn't provide more power, it's designed to 'stiffen' the voltage to the amp, nothing else. If the current isn't there, a cap won't help. The alternator must have at least 20% more amperage power than the entire vehicle and sound system combined for a cap to be of benefit which is ironically the same requirements for an amp to be efficient. A cap does it's best to keep the voltage at a certain level, but if the voltage changes so will the cap voltage. The cap just makes the change smoother. The diming light syndrome isn't a voltage issue but rather a current (amperage) drop. The voltage simply follows what the current does. A cap does not help this situation at all. A cap doesn't provide more power nor does it try to correct it. and i even have a capacitor and my lights STILL dim, with only a 400 rms watt system, my stock alternator is 115amps, i have 2 12" mtx thunder 4500 subs with an alpine mrp-m450 amplifier. and my lights dimmed, i purchased a 2.0 farad cap.. did it fix my light dimming? lol nope, i can show you a vid of my lights still dimming if you dont belive me, oh and also i did my big three upgrade by using 1/0g wire. dont waste your money on a cap. ___________________________________ edit: what kind of amp/subs do you have? [/QUOTE]

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