Hello,
It just needs to be hooked up differen't. You may have to get another harness to plug it in correctly. Or you can just locate which wires are what and try and splice them to the factory wires yourself. The amp should have nothing to do with it though. Hope this helps.
Thanks,
Fuhrmeister
ASE Certified Technician
10 years experience as a mechanic. Everything except A/C systems.