bass maniak 10+ year member
Team Poundin Sound
That is how amps blow up. When you are screwing in the wires the metal form the screw driver could touch the amp and you will see a spark there haha....also the amp will no longer work. Always DISCONNECT POWER WIRES WHEN WORKING WITH CAR AUDIO AMPS!!!!Putting a hot wire into and amp will do absolutely nadda! The reason why it sparks and it does with any amp having a large internal bank of caps, this is just there draw while charging. I have never once unplugged my elec system while installing an amp and have good sh!t... //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif Polo..