this should help you go over your connections.
FROM HU,
RCA JACKS FROM HU TO INPUT ON AMP.
POWER ANTENNA(BLUE) FROM HU HARNESS(NORMALY BLUE WITH WHITE STRIPE) TO REM 12V+ TERMINAL ON AMP.
FROM BATTERY,
4-GAUGE POWER WIRE(NORMALY RED) TO FUSIBLE LINK, OR DISTRIBUTION BLOCK ,TO12V+ TERMINAL...