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Amp moving subs and dimming lights

Discussion in 'Car Stereo Amplifiers' started by kittyslasher, Dec 8, 2011.

  1. kittyslasher

    kittyslasher New Member

    Iv had my current set up for about 3 months now iv had no issues well yesterday when i started my car my subs started hitting without music i turned it down and they were still hitting and dimming my lights. i went and checked all the wiring and it all stopped. well then my power wire broke so i stripped more plastic off and put the wire back it and checked everything including ground all looked good. I went to adjust my gain and the subs started moving not hitting but sucking in and out real slow causing my lights to dim again I was told that it is my amp power surging but im not sure thats correct. my ground is tight and grounded to the frame of the car to bare metal. So what could be causing this?
    I must add they don't do it all the time. And i don't know if this plays a part but i am using 6 gauge wiring when the amp recommends 4 gauge wire. Im using a memphis st1000D amp its an older amp but iv had no issues at all till now