i have VR3 vrcd500-sdu stereo i hooked up all the wires correctly. it turns on but thers no sound. i hooked up a orange wire that says Automatic Antenna(orange) to my amp wire (blue) and my subs turn on but no sound comes from my 6/9. the speakers are new. i checked the stereo but i couldnt find a fuse. i hooked it up to a 92 honda civic. help plzzz