power problems please help

by wheelerdr
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I have a1995 chevy with 2 yellow top deepcycle batteries, runs the whol system. I purchased a 140 amp alt. from local part store, and a 1 farad cap. I have the 2 guage power wire running on a 100 amp fuse to the cap and then to the my Kenwood 811d(heard it was a power hog) and a 2 guage ground from the amp to the frame, a 2 guage ground from the cap to the same spot as the amp. I have put a 2 guage power wire from the alt-to the battery. a 2 guage ground from the battery to the fram and from the alt to the same spot as the battery ground. I have a rockford punch stage 3 in a ported box, wired 2ohm + 2ohm, itis at 4ohm now only driving 500 watts from my amp, but when low bas hits my voltage still drops low, and distorts, gain is set to about half, set to 60 htz. bass on radio is set to 0. can anyone tell me what my probleme is. I was thinking about buying a 200 amp high output alt, or adding my old 105 anp alt to my truck, but do not know how to wire the second alt. was told I would need an isolator but where to get one. and how to wire the black plug into the second alt, my black plug is on the first one. any help would be outstanding.

thanks

SSgt Wheeler

USAF

Alaska



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