|
capacitors often cause more problems than they solve... if possible, try running your system without the capacitor at all, seriously. See if that solves it. Also, have some bass heavy music running and see what the voltage drops to at the battery on bass hits (using a multimeter). If it's not dropping too much at the battery then the battery shouldn't be your problem.
Did you say a single run of 4 gauge running everything? What exactly is running from that 4 gauge cable? sub amp + computer? anything else? A single run of 4 gauge is probably a little on the small side to be running all of that. I'd be betting on your problem being a result of either the 4 gauge not being able to handle all the power requirements or the capacitor making more problems than it's solving.
There's a couple of basic steps to improving the power system in your car:
Upgrade under the hood cabling: basically run thicker gauge cabling between the battery negative post and the vehicle ground and replace some of the other thinner OEM cabling under the hood with thicker cabling (wire coming from alternator etc).
Battery upgrade: find a battery with a higher CCA rating/larger amp hours.
Alternator upgrade: use a higher output alternator.
Cabling is the easiest and probably the cheapest thing to upgrade, and can solve alot of problems with it. Same with battery upgrade, can solve alot of problems, a bit more expensive. An alternator upgrade is only something you'd do after upgrading cabling/better battery, but in most cases an alternator upgrade won't be necessary.
|