how do i hook up my stock amps to my aftermarket reciever

i have a 03 mustang v6 with the mach1 sound system. after hooking up my new head unit, the two connectors for speaker's amp wernt hooked in, thus i wasnt running the amps. the question is how do i do it. is there something i need to buy or what. thanx.

disclaimer - "i don't know the mach system at all, so this might be incorrect"

your aftermarket deck probably puts out more power than the stock unit with amps.

well the bass response with the stock head unit is better probably because of the 2 amps hooked into it. now im just wondering what kind of wiring needs to be taken place for me to get these amps running. thanx.

you have to bypass the amp and only 4 of the 8 speakers will work.

you need a scoshe wiring harness to integrate the mach system, i can take a pic of it and put up the model # when i get home.