ditto/\/\/\/\/\
If the amp was dead you'd not hear anything but that's not to say that it's not nearing the end. You do still have the OEM head unit in there don't you? If you have a higher powered aftermarket item it could cause the speakers to get distorted sound since the amp could be clipping
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Jeep Liberty Limited
JVC KDSH99 headunit
2 Directed Audio SX10D4 10" Woofers
Directed Audio CSX650 Componet sets\
Directed Audio D2400 amp (for subs)
Directed Audio A502 amp (for componets)
Cheapo 6.5" Pioneers 3 ways for rearfill
Silverado Ext. Cab 4x4 z71
JVC KD-AR7000 headunit
Orion P6.2 Componet sets front
Orion C63 Coax rear
Orion 7005 5ch amp with ESP
Orion 10" H2 10.2 subwoofer in sealed box
Directed/WestCoast Customs OHDW17.2 17" DVD with surround