I you got aftermarket amps try this out it should work. I tried many times with pioneer radios and it works great... Don't be scared nothing will happen, First of get a piece of wire about 6in long ( doesn't need to be thick )and strip both tips of, next wrap one side to the outside of either front or rear rca outputs ( just one rca ) and plug it back in to the rca that goes to your amp, at last ground the remaining end of your cable to your pioneer chasis or tap into your any ground source.