Ya need to go behind the glovebox and find the amp. Then tap into the wire-harness Before the amp. Cause the amp is workin to hard to drop the voltage down from the amplified signal. You will hear much better results I'm sure.
00' Silver Frost SVT #1551 of 2150 born 1/13/00 Mobil 1 Sth. oil K&N drop-in 88' Dodge omni