2004 Chevy Tahoe with Bose install if I hook the RCA speaker wires form the gmos-04 to the the output RCA's form the unit - chimes work fine, everything good except the stereo has to be turned way up to hear it (no Bose amp turning on - took it apart again hooked the RCA's form the gmos-04 to the regular speaker wires from the unit (green, green/black - grey, grey/black, etc.) now the stereo sounds loud enough, but the chimes are messed up and the speakers when the unit is first fired up hiss in a per speaker each circle as if an amp is trying to start up (its not right) any help would be appr