Hi, I am currently fitting a system in my mk 3 Supra. On the Supra forum i go on , they say the alternator will not handle any large system. I'm going to be running 2x 300 watt amps and 1x 600watt, plus 2 tv screens. Any ideas how i can get around taxing the alternator so much? Some one suggested fitting a 2nd alternator to run a 2nd battery. Could any one help me with the wiring of that? Cheers for any help.