What size capacitor should i use with a 2000 toyota camry?

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meh rs

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I just bought Brand new MTX 12's. But the with the system I have now my lights dem and those subs are garbage. So i know these are gonna blow sumthin up. I know I might need a new alternator but im gonna try a new cap first i just dont know which one would be the best???
 
The thing is, people get confused in the real purpose of a cap. It is not used to cure or prevent dimming lights nor will it change the way the system sounds (both are misconceptions).

To undertsand the purpose you need to understand how they work.

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.

A cap is perfect for a noisy voltage line or if the car has fast, erratic voltage spikes/drops. This is why caps are used in AC to DC power supplies as they are used to smooth out the DC ripple for a more smooth DC output.

The ONLY cure for dimming lights is a more hefty amperage source, the alternator.

The REAL powerplant of the car is the alternator. The ONLY purpose of the battery is to start the car and run the accessories with the engine off, nothing else.
 
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.

so therefor, a capacitor will only be a waste of money for you, considering it wont help you at all, considering light dimming isnt what they are used for

and before you do a new alternator upgrade, you should do the big three upgrade

also if your going to upgrade alternator, you should upgrade to an optima yellow top battery
 
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