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Helping a local kid install his big-boom stereo he got for his birthday.
Whenever his bass amp hits a hard note; everything dims. He got a 2 farad capacitor. We're running all the wires direct from a battery to the stereo, amps, etc. (ie: not using any "common body metal grounding" -- all directly to the battery.
The little blurb that came with the capacitor said to connect it to the positive, but then it said to connect the ground to the nearest ground we could (Specifically stating it should be grounded to the body in as short a distance as possible).
This seems counter intuitive to me -- we're trying to isolate the system. Why would we not want the capacitor to be connected to the same common ground running directly to the battery? Should we be grounding everything else to the body too? (ie: not use a wire directly from the battery)
He picked up a "55 amp noise suppressor" (that's what the packaging said) -- but when we got it out; it was clearly marked "35 amp" -- if he put two in parallel -- would this be ok for a 50 amp draw?