ok i installed 6x8 3 way pioneers and i dont think they sound that good when they are cranked up....i have a pioneer head unit and no amp.....it maybe possible i messed up the wiring and one or more speakers are not working properly...i have a haines manual and it has the wire colors but it doesnt say positive or negitive.....is there any diagrams that are correct i have a 2000 v6 mustang no mach 460