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Message: <blockquote data-quote="powersupply" data-source="post: 520422" data-attributes="member: 556380">Hi guys, I have a 95 tahoe, I am wondering what guage wire to use.  I have always used 4 guage but have nerver had so much power.  I have upgraded my alternator to a 280 amp, adding 2 yellow top batteries, a 15 farad cap, of course the big three wiring upgrade(bat ground, alternator ground, alternator to bat).  I have a crown/jbl bpx2200.1 and two brahma 15's(on order anyway) a jl 300x4 for the jl components, alpine cd and a symmetry.  Is 4 guage enough, I was thinking of adding another 4 guage.  My theory always was your system is only as good as its weekest link I figure the bigger the wire you go the bottle neck is till in the thin crimp on connectors.  So two 4 guage connectors would be thicker than one 2 guage.  Give me some ideas.Thanks</blockquote>

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