I'm at a loss for an answer. I have a JL MM100s connected to a 4/400 JL amp pushing 4 8.8's. I have a 1/600 JL amp pushing a M/10 sub. The 4/400 amp's green light flickers when turned on but it will not stay lit. The 1/600 amp's green light comes on and stays on. The sub will not play but 1 pr...