The install was a success, the 80 amp stock alternator puts out 14.6v(idling). The battery holds its charge. No dimming. I used a multimeter to adjust my amp gains(1110 watts x 1 ohm = 1100, Square root of 1100 = +_ 33.14) I used 3/4 of my head units maximum volume and played a 50 hz test track...