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Upgrade to 2 Gauge Wire between:
1) alternator positive to battery positive
2) battery negative to chassis
3) engine ground to chassis
Is there a DIY anywhere I couldnt find it...
The reason I am looking into this is because I just got my audio system setup and it is drawing ALOT of power and causing my headlights/interior lights/guages/clock to dim on que with the bass!
I have seen other cars with a slight dim with aftermarket stereo's ...
BUT THIS IS OVER THE TOP!
there's two solutions to your problem that i know of. you can integrate a farad cap into you system. the size depends on how much power you're running. typically a 1 or a 1.5 should do it. also, you can upgrade your battery to a optima or something equivalant.