im trying to run my interiors with my amp which is in the trunk, but theres no sound(problem).i have all the speaker cables and the RCA's running to the amp. I set my line in switch on the HU which is for external amps and my stock ones work when i set the line out switch for an internal amp no speakers work, i have my new ones with all the connections in the front and stock in back.is there a factory amp in my car?wiil that effect it?i have a 98 csvt.
