[evilr2003]

Hey guys need feedback if you know whats you with this ill explain it.
I took out my system two 15 L7s kickers and my 8100d mtx amp i got a new box built and a cap i charged the cap and went the put the system back in. NOW the amp turns on and has power but the signal is not getting to the amp for the speakers to turn on or play. the dont even crack . I think it could be the rca in the head unit blown or in the amp any input would be helpful

thanks alan

 

[98 Black SLT]

To me it sounds like a RCA problem. If it is possible, try a new source for a signal and see if that helps. if that does not change anything, then you might have a problem with the internals of the amplifier. If it does help, you either have a short in your RCAs or like you said, bad Pre-amp outputs.