need help/advice please

[Identity Crisis]

Here's the deal, I had an 800-watt kenwood amp pushing my subs and a 600-watt amp for the door speakers in my truck and ran both with no problems. I took the 800-watt amp and put it in my car (2005 Dodge SRT-4) to push my two 10" subs. No other amp, just a new keenwood head unit. Every time I turn it up more than half way the headlights dim and the dashboard lights dang near go out with the beat of the bass. Will a capacitor 'fix', or at least hide this problem, or do I really need to buy a bigger alternator and battery?

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[Ignatowski 5,000+ posts]

a cap wont help..........

I am surprised that car cant keep up with your amp,maybe lower you gains a bit.

Other that that the best thing to do is the"Big3" upgrade on your wiring.

http://forums.caraudio.com/vb/showthread.php?t=124175